RRB JE 24 May 2019 (Shift 1) CBT 1 Official Paper (Previous Year Paper)

If 20% of a = b, then b% of 20 is the same as:

Which word will best complete the relationship given below?

Hygrometer : Humidity :: Barometer : ?

The curved suface area of a hemisphere is 2772 cm² and its volume is 19404 cm³. What is its radius?

What substance is stored and concentrated in the gall bladder?

In this question, a statement is given followed by four conclusions. Choose the conclusion(s) which best fit(s) logically.

Statement:

To pass the examination, one must work hard.

Conclusions:

I. Examination is related to only hard work.

II. All those who do not work hard pass.

III. Without hard work, one does not pass.

IV. Hard-working person is a satisfied person.

Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-supply last?

If tan²45° – cos² 60° = x sin 45° cos 45° cot 30°, then find the value of ‘x’.

In this question, two statements are given followed by two conclusions. Choose the

conclusion(s) which best fit(s) logically.

Statements:

1. Some hats are caps.

2. Some caps are mats.

Conclusions:

I. Some caps are hats.

II. Some mats are caps.

Who among the following inaugurated an advanced electronic surveillance system along the

61-km India-Bangladesh border in Dhubri district of Assam in 2019?

Which of the following is NOT a physical change?

Find the greatest number of 4 digits divisible by 15, 25, 40 and 75.

What is the simple Interest earned on Rs. 2400 in 4 years 6 months at the rate of 4.5% per annum?

Which city in India is also known as the 'Pink City'?

The ratio of sine of the angle of incidence to the sine of the angle of refraction is a constant for a given colour and for the given pair of media. Which law is this?

Which word will best complete the relationship given below?

Japan : Green Pheasant :: India : ?

Tuberculosis is a disease of the ______.

What is the SI unit of weight?

How many rectangles are there in the given figure?

The number of ______ is equal to the difference between the mass number of the atom and the atomic number.

Which pair of these numbers is coprime?

When were the 2019 Special Olympics World Summer Games inaugurated?

Ratio of ages of father and son is 3 : 1. The product of their ages is 147. What is the sum of their ages?

In this question, three statements are given followed by two conclusions. Choose the

conclusion(s) which best fit(s) logically.

Statements:

1. Some soccer are shoes.

2. Some shoes are covers.

3. All covers are plastics.

Conclusions:

I. Some plastics are shoes.

II. Some soccer are plastics.

Which fossil fuel is formed under the earth by the decomposition of vegetable matter lying under water by anaerobic bacteria in the absence of oxygen?

In this question, two statements are given followed by a conclusion. Find out which of the

alternatives justifies the given conclusion.

Statements:

1. Oxygen is a gas.

2. Cylinder contains gas.

Conclusion:

Cylinder contains oxygen.

Find the missing group of alphabets in the following series.

ZC, AE, (…), FI, JK

If 'orange' is called 'butter', 'butter' is called 'soap', 'soap' is called 'ink', 'ink' is called 'honey' and 'honey' is called 'orange', which of the following is used for washing clothes? following is used for washing clothes

Direction: Read the following information carefully and answer the question given below.

Ten friends are sitting in two parallel rows of six seats each. One seat is vacant in each row. V, W, X, Y and Z are sitting in row-1 facing south. I, J, K, L and M are sitting in row-2 facing north.

Each likes different brand of Shoes—Adidas, Nike, Puma, Bata, Lee Cooper, Nivia, Provogue, Lotto, Woodland and Sparx.

L sits third to the right of K and likes Bata. Only two people sit between J and the vacant seat. J does not like Lee Cooper. Z is not an immediate neighbour of X. W likes Provogue. The one who likes Puma faces the one who likes Lotto. The one who likes Puma sits opposite to the one who sits on the third right of the person who sits opposite to L. X is not an immediate neighbour of Y. M, who likes neither Lee Cooper nor Nivia, does not face the vacant seat.

Neither L nor K sits at any of the extreme ends of the row. Y faces K. Vacant seats are not opposite to each other. Two seats are there between X and W, and W sits on the third right of the one who likes Sparx. The one who likes Woodland faces the one who likes Bata. The persons who like Adidas and Lotto are adjacent to each other. Vacant seat of row–1 is not an immediate neighbour of Y. J sits at one of the extreme ends of the row.

Who among the following faces the vacant seat of row-2?

RAVANA-1 is the first research satellite of which country?

Which device converts sound waves to electrical signals?

The ratio of ages of A, B and C is 2 : 4 : 5 and sum of their ages is 77. Find the ratio of A's age to B's age ten years hence.

John cycles at 10 km/h to reach his destination at 2 PM. If he travels at 15 km/h, he will reach at 12 noon itself. At what speed should he travel to reach the place at 1 PM?

When acid reacts with metal carbonate, _______ is/are formed.

Which of the following gases is used as reference to calculate "Global Warming Potential (GWP)"?

When were the first Commonwealth Games held?

Which is India's eastern most state?

Find the ODD one out from the given options.

If simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically in the ratio 2 : 1, then find the values of n, r.

The cost price of 25 items is the same as the selling price of 20 items. Find the gain per cent.

With which of the following is Fed Cup associated?

The green colour of the leaves is due to-

Complete the series.

9, 12, 10, 13, 11, (...)

Who succeeded Rajendra Prasad as the President of India?

The IUPAC name of the compound CH₃ CH₂ CH₃ is-

If cos² x + sin x = 5/4, then find the value of 'sin x'.

P, Q and R take 18, 15 and 10 days respectively to complete a job. Compare their efficiencies as a ratio.

Which of the following colour of white light has the maximum wavelength?

'INS Vikramaditya' is a/an-

When a natural number 'n' is divided by 4, the remainder is 3. What will be the remainder when (2n + 3) is divided by 4?

Which of these is NOT an infectious disease?

Mouth and foot diseases in cattle are caused due to-

Two numbers are such that the square of one is 224 less than 8 times the square of the other. If the numbers are in the ratio of 3 : 4, find the numbers.

Simplify : (1 ÷ 0.08)

With which of the following games is the 'Bandodkar Gold Trophy' associated?

If in a certain code, 'SUMMIT' is written as 'KSQRGK', then how will 'UMPIRE' be written in that code?

In a 200 m race, P beats Q by 35 m or 7 seconds. What is P's time over the course?

What is the physical state of water at 250⁰ C?

India's first Spice Museum is being set up in which of the following cities to educate tourists about growth and history of Indian spice industry?

Pens are bought at the rate of 8 for Rs.40 and sold at 6 for Rs.40. Find the loss or gain percent.

In a certain code, 'BRACKET' is written as 'DPCAMCV'. How is 'BLOCK' written in that code?

The elements with atomic numbers 10, 18, 36, 54 are

Which word will best complete the relationship given below?

Mohiniyattam : Kerala :: Sattriya : ?

In the following question, correct the equation by interchanging the two signs.

5 + 3 × 12 ÷ 12 - 4 = 12

Complete the series.

2, 6, 12, 20, 30, 42, 56, (…)

Find the ODD one out from the given options.

Find the ODD one out from the given options.

Why does the pole star appear to be fixed in one place while all other stars seem to move from east to west?

What is the molecular formula of chloroform?

Which disease causes excess swelling of the legs?

In a rectangle, length : breadth = 4 : 3. What is the value of length : diagonal?

An organism feeding on multiple hosts in its lifetime is called-

Which of the following international scientific organisations approves the names of elements, symbols and unit?

A man travelled a certain distance by car and covered half of his journey. Out of the remaining distance, five-sixths was travelled in a van and the rest by auto. If the distance covered by auto was 5 km, what was the distance he travelled in total?

Simplify : sin 780°sin 480° + cos 120° sin 30°

Find the wrong number in the given series.

2, 6, 18, 54, 161, 486

The arithmetic mean and geometric mean of two numbers are 7 and 2√10 respectively, then find the numbers. 

Ramya sees her wall clock and it shows 3:50, where hour hand points east. Which side does minute hand point?

Find the wrong group of alphabets in the following series.

AZ, EV, IR, NO, QJ

Simplify: \(\left( {\sqrt {\frac{{225}}{{729}}} - \sqrt {\frac{{25}}{{144}}} } \right); + ;\sqrt {\frac{{16}}{{81}}}\)

Find the GCD of 1.08, 0.36 and 0.90.

The part of the muscle which shortens to create contraction is the-

If a cube of a number is subtracted from (153)², the number so obtained is 1457, Find the number.

A substance X turns the colour of red litmus to blue, and it will change methyl orange-

What is the SI unit of power?

What is the speed of light in air?

A ray of light from the object parallel to principal axis of a concave lens, after refraction appears to diverge from which point on the same side of the lens?

Complete the series.

13, 14, 32, 123, (…)

Choose the figure that best represents the relationship among the classes given below.

Company, School, Culture, health

The diagonal of the floor of a rectangular closet is 7.5 ft. The shorter side of the closet is 4.5 ft.What is the area of the closet in square feet?

Evaluate: \(\frac{{3.6; \times ;0.48; \times ;2.50}}{{0.12; \times ;0.09; \times ;0.5}}\)

If \({x^{2n}}; + ;\frac{1}{{{x^{2n}}}}; = ;k\), then find the value of \({x^n} - \frac{1}{{{x^n}}}.\)

With which of the following movements is the slogan "Do or Die" associated?

Proteins are an integral part of-

Which human organ contains the 'Islets of Langerhans?

Ravi walks 2 km from his home towards east. After taking left turn, he reaches the park in 0.5 km. Find the direction of the park from his home?

When we apply a muscular force with a hammer, which force fixes the nail in the wall?

With P starting the work, working on alternate days, P and Q can finish a work in 17 days. If Q works on the first day and Q and P work alternately, the work is finished in 53/3 days. How many days will each take individually to execute the work?

Under which Article of the Constitution of India can the President take over the administration of a state, in case its constitutional machinery breaks down?

Mrinal Sen, who passed away on 30 December 2018, was an eminent personality in the field of-

Which of the following is a non-metal?