RRB JE CBT 1 2025 Official Paper (Held On: 20 Feb, 2026 Shift 3) (Previous Year Paper)

Which Fundamental Duty was added by the 86^th Constitutional Amendment in 2002?

Which of the following types of connective tissue is present in the larynx of a human body?

A grocer wishes to sell a mixture of two varieties of rice worth ₹56 per kg. In what ratio must he mix the rice to reach this selling price, when cost of one variety of rice is ₹54 per kg and the other is ₹64 per kg?

In 1964, who chaired the Committee on Prevention of Corruption and suggested the Central Vigilance Commission be established?

A micelle has its hydrophobic ends directed:

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the one that does not belong to that group?

(NOTE: The odd man out is not based on the number of consonants/vowels or their position in the letter cluster.)

A train moves 120 km at 60 km/h and then another 60 km at 30 km/h. What is the average speed for the entire journey?

What was a consequence of the economic structure in India between 1947 and 1991?

Simplify: \( 88 - 1 \times (5 + 12) - 19 \)

The lengths of the three sides of a triangle are 13 cm, 14 cm and 15 cm, respectively. Find the area (in cm²) of the incircle of this triangle. [Use \( \pi \) = 3.14]

M, A, T, H and S, each have different ages and all ages are integers. M is younger than only two persons. H is 88 years old, which is the second highest age. S is younger than M but older than A. Who is the eldest?

Which pair of olfactory indicators loses its smell in a basic solution?

Prafulla Chaki and Khudiram Bose are known for their attempt to assassinate which British official?​

Why is intracellular digestion suitable for unicellular organisms?

Two inlet pipes A and B and one outlet pipe O are attached to a cistern. Pipe A fills the cistern in 8 hours, pipe B in 12 hours, and the outlet O can empty a full cistern in 24 hours. If all three pipes are opened simultaneously, how long will it take to fill the cistern?

Washing soda is commonly used to:

An electric refrigerator has a power rating of 500 W and is used for 6 hours each day. If the cost of electrical energy is ₹4.00 per kilowatt-hour, what will be the total cost of operating the refrigerator for 30 days?

In an election between two candidates, 86% of the registered voters cast their votes and 6% of the votes polled were found invalid. The winning candidate got 58% of the valid votes and won the election by a margin of 202100 votes. How many voters were registered?

A town replaces all plastic bags with cloth bags. Which chain reaction is expected in the ecosystem?

Two trains having lengths of 430 m and 120 m are running at speeds of 70 km/h and 100 km/h, respectively, in the same direction. The time taken (in minutes) by the faster train, coming from behind, to completely cross the other train is:

\(\sqrt{\left(90 + \sqrt{\left(97 + \sqrt{\left(4 + \sqrt{\left(19 + \sqrt{36}\right)}\right)}\right)}\right)}\) is:

Which of the following islands is the southernmost point of India?

Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.

NQ-KO-IL

FI-CG-AD

Why are crops with different nutrient requirements chosen for inter-cropping?

Gopal has borrowed an amount of ₹420000 from a bank to start a business. How much simple interest (in ₹) will he pay at a rate of 5% per annum after 4 years?

Which of the following Acts in India specifically deals with controlling air pollution?

Six friends, O, P, Q, G, H and I, live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2 and so on, till the topmost floor, which is numbered 6.

Only two people live between O and H. O lives above P. Only two people live between Q and P. Only one person lives between G and P. G lives on floor numbered 1.

How many people live above I?

RD 15 is related to UI -1 in a certain way. In the same way, WG 13 is related to ZL -3. To which of the following is OG 1 related, following the same logic?

Which of the following is a biotic factor causing storage losses in grains?

What is the reason why electrons move in a conducting wire when connected to a battery, but not when the wire is left untouched?

In a certain code,

'big grand wedding' is coded as 'rc af bg'

'grand birthday celebration' is coded as 'kp vg rc'

'enjoy big celebration' is coded as 'af zd vg'

(all the codes are two letter coded only)

What is the possible code for ‘birthday bash’?

The sum of the squares of two consecutive even natural numbers is 3700. The sum of the numbers is:

If + means - , - means x , x means ÷ , ÷ means +, then what will come in place of the question mark (?) in the following equation?

\( 7-24×6÷18+7=? \)

18 is related to 270 following a certain logic. Following the same logic, 21 is related to 315. To which of the following is 24 related, following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

What happens to the potential energy of an object if its mass is halved while its height above the ground remains constant?

The height of a tree varies as the square root of its age. When the age of the tree is 324 years, its height is 19 feet. What will be the height of the tree (in feet) at the age of 81 years?

Refer to the two statements given below and choose the CORRECT option.

Statement A: While writing the chemical formula of a compound, the total positive and negative charges must balance each other.

Statement B: Balancing valencies ensures that the compound formed is electrically neutral.

U, V, W, X, Y, and Z live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2, and so on, till the topmost floor is numbered 6. Only two people live between W and Z. Only X lives above V. Y lives on an even-numbered floor. W lives on the lowermost floor.

How many people live between U and X?

What is the theme of the STREE Summit 2025, as inferred from its description?

Rupesh’s salary was first reduced by 44% and subsequently raised by 15%. How much percentage was his final salary lower compared to his initial salary? 

Which material can be magnetised using the strong magnetic field inside a solenoid?

The average of the first 18 positive multiples of 7 is:

A farmer wants to improve both the quantity and taste of honey produced on his bee farm. Which of the following strategies should he adopt?

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

All cups are glasses.

All glasses are bottles.

All bottles are jars.

Conclusions:

(I): All cups are bottles.

(II): All glasses are jars.

Which of the following is an advantage of paper cups over plastic cups?

In a pond ecosystem, removal of phytoplankton would most directly affect ____________.

In a certain code,

‘boy likes games’ is coded as 'tu vw xy'

‘girl likes music’ is coded as 'za vw rs'

‘music games hobby’ is coded as 'rs xy pq'

Q. What is the code for hobby ?

If atmospheric refraction did not occur, which change would be most noticeable during the observation of stars from Earth?

What is the origin of the material that makes up the Bhabar belt?

Study the given Venn diagram carefully and answer the question. The numbers in different sections indicate the number of persons. (NOTE: You have to take the given data to be true even if they seem to be at variance from commonly known facts.)

How many Pianists are Readers but not Gamers?

The ratio of the cost prices of articles X and Y is 3 : 7. A man earns a profit of 49% by selling X and loses 16% by selling Y. What is his gain/loss percentage in the entire transaction?

The radius of a solid right circular cone is 24 cm and its height is 32 cm. The total surface area of the cone is:

This question is based on the five, three-digit numbers given below.

(Left) 453 914 527 658 715 (Right)

(Example- 697 – First digit = 6, second digit = 9 and third digit = 7)

NOTE - All operations to be done from left to right.

What will be the resultant if the third digit of the highest number is multiplied with the second digit of the lowest number?

Garima bought an original hardbound book for ₹56,000. Its value depreciates by 5% per year. What will be the price (in ₹) of the book after 3 years?

A trader gives 8% discount on the marked price of an article and gives 3 articles free for buying 18 articles and gains 38% in the entire transaction. Assuming a customer pays for 18 articles, the marked price of an article is what percent more than its cost price?

A and B can complete a work in 15 days and 10 days, respectively. They started doing the work together but after 2 days, B had to leave, and A completed the remaining work alone. The whole work was completed in ______________ days.

What happens to insoluble impurities during electrolytic refining?

A designer wants to create a device that spreads light from a small bulb to illuminate a wide area uniformly. Which lens should be used and why?

24 is related to 270 following a certain logic. Following the same logic, 31 is related to 340. To which of the following is 43 related, following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

Which of the following is/are correct about C. Vijayaraghavachariar?

I. He was called ‘The Hero of Salem’.

II. He was known as the ‘Lion of North India’.

Which Indian player was appointed as the co-chair of the International Hockey Federation’s new FIH Athletes Committee in 2024?

Who is the chairperson of the RBI’s committee formed to develop the Framework for Responsible and Ethical AI (FREE-AI) in the financial sector as of December 2024?

If \( 5 \sin Y + \cos Y = \sqrt{2} \sin Y, \) then find the value of \( \tan Y. \)

The Alapana in Carnatic music is equivalent to which part in Hindustani music?

If x² - kx - 49 = 0 and x² - 5kx + 11 = 0 (k > 0)  have a common root, then the value of k is:

A student scored 60, 70, and 80 in three subjects with weights 2, 3, and 5, respectively. What is the weighted mean score?

Refer to the following letter, symbol series and answer the question

(Left) H F % G R @ # S $ M * % & N E Q Z U L @ T W (Right)

If all the symbols are dropped from the series, which of the following will be fourth from the right$?

Which statement accurately describes how energy transforms during the free fall of an object under gravity?

A student adds lead (II) nitrate (\( Pb(NO_3)_2 \)) to an unknown solution. A yellow precipitate forms. What could the unknown solution be?

In a certain code language,

‘A + B’ means ‘A is the son of B’,

‘A – B’ means ‘A is the sister of B’,

‘A x B’ means ‘A is the wife of B’ and

‘A ÷ B’ means ‘A is the father of B.

How is Q related to D if ‘Q + E ÷ R – C x D’?

Ajay starts from Point A and drives 6 km towards north. He then takes a left turn, drives 5 km, turns left and drives 15 km. He then takes a left turn and drives 12 km. He takes a final left turn, drives 9 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)

Consider the reaction:

\( CH_3CH_2OH + Alkaline\ KMnO_4 \xrightarrow{Heat} CH_3COOH \)

Which of the following statements is/are correct?

(A) The reaction represents the oxidation of a primary alcohol to a carboxylic acid.

(B) Alkaline \( KMnO_4 \) acts as an oxidising agent.

(C) Alkaline \( KMnO_4 \) acts as a reducing agent.

If \( 2 : 4 :: 4.6 : x \) and \( 4 : 16 :: 2 : y \), what is the ratio of x to y?

A passenger in a moving car feels a jerk backward when the car suddenly starts. How does the first law of motion explain this experience?

If the cost price of 24 articles is equal to the selling price of 15 articles, then find the percentage of profit.

If \( \frac{x}{y} = \frac{11}{5}, \) then find \( \frac{x^2 + y^2}{x^2 - y^2} \)

If \( m + n + o = 15 \) and \( mn + no + om = 75, \) then determine the value of \( m^3 + n^3 + o^3 - 3mno. \)

H is the brother of A. R is the sister of K. P is the son of K. K is the wife of A. How is H related to R?

If the bicuspid (mitral) valve fails to close properly, which immediate effect is most likely during ventricular contraction?

According to the Global Firepower Index 2025, what is India’s global rank in terms of conventional military strength?

Why is alcohol considered a cleaner fuel than petrol?

The HCF and the LCM of two numbers are 15 and 300, respectively. If one of the numbers is \(\frac{5}{4}\) times of the other, what is the larger number?

Seven people, A, L, M, I, R, H and S, are sitting in a row, facing north.

Only A sits to the left of S. Only four people sit between A and H. Only I sits between L and R and L is not an immediate neighbor of H.

Who sits at the extreme right of the line?

Which of the following numbers is divisible by both 9 and 43?

The equations \( x^2 - 5x + 6 = 0 \) and \( x^2 + ax + b = 0 \), have exactly one common root, and the other root of the second equation is –4. Among the following, which are the possible values of a and b?

A question is given followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements carefully and decide the appropriate answer.

5 people - P, Q, X, Y and Z, have an exam on different days of the same week between Monday and Friday. Who has an exam on Thursday?

I. Q has an exam on Tuesday. No one has an exam between P and Q. Z has an exam immediately after X.

II. X has an exam on one of the days after Q. Only three people have an exam between P and Y

A wire of a given material has length \( l \) and cross-sectional area \( A \) , and its resistance is 9 Ω. Another wire of the same material has length \( l/3 \) and cross-sectional area 3A. What will be the resistance of the second wire?

Which element exists as a monoatomic molecule?

The total surface area (in \( m^2 \)) of a cube, each of whose edges measures 285 m, is:

What should come in place of the question mark (?) in the given series?

​​​​​​​6 10 38 106 326 ?

P gives Q a head-start of 10 seconds in a 600 m race, but both finish the race at the same time. Find the time taken by P to finish the race if the speed of Q is 4 m/sec.

The mean marks of the following distribution is:

A gardener notices fallen leaves under a tree. Which strategy of plant excretion does this illustrate, and what type of waste handling is involved?

This question is based on the words given below.

IRE AWE DAY FUR

In each of the words, each vowel is changed to the second letter preceding it in the English alphabetical order, and each consonant is changed to the letter immediately following it in the English alphabetical order. In how many letter-clusters thus formed will no vowel appear?280

In December 2024, Masli, a village in which state, became the first border solar village in India?

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(136, 220, 84)

(144, 240, 96)

What should come in place of the '?' in the given series, based on the English alphabetical order?

DIB FKD HMF JOH ?

What should come in place of '?' in the given series?

2 7 22 67 ?

Identify the CORRECT statement about the chlor-alkali process:

Open Market Operations (OMOs) are conducted by RBI to control ____________.