West Bengal Police SI (Prelims) 15 Dec 2019 Official Paper (Previous Year Paper)

What does one study in Paleontology?

Newton's first law of motion is also known as

The Jallianwala Bagh Massacre took place 

President of India is elected by

What was the real name of Birbal?

Diamond is hard because 

The maximum duration of 'Zero-Hour' in the Lok Sabha is

Indian gets the largest share of GDP from which of the following sectors?

The Law of Natural Selection is associated with

Which of the following is needed by a person suffering from diabetes?

The chief constituent of 'Gobar' gas is 

The book "Letters from a Father to Daughter" was written by

Africa is separated from Europe by

Which country has won the 2018 FIFA World Cup held in Russia?

Which of the following is India's largest Public Sector Commercial Bank at present?

Father is four times the age of his daughter. If after 5 years, he would be three times of daughter's age, then further after 5 years, how many times he would be of his daughter's age?

A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is

Find the value of 0.002 × 0.5 = ?

The respective ratio between 52% of X and 30% of Y is 12 : 5. If X is 50 more than Y, what is the value of '2X + Y'?

Amit is 6 years older than his wife Soma. The present age of their son, Bunny is 1/3^rd of Soma's present age. If the sum of present age of Amit and Bunny is 54 yrs., what was Soma's age when Bunny was born?

The sum of 3 numbers is 136. If the ratios between first and second be 2 : 3 and that between second and third is 5 : 3, then the second number is 

15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would 21 women take, if 3 women do as much work as 2 men?

How many seconds a train 100 meters in length running at the rate of 36 km/hr will take to pass a certain telegraph post?

'A' can complete a piece of work in 12 days. 'A' and 'B' together can complete the same piece of work in 8 days. How many days can 'B' alone complete the same piece of work?

The sum of two digits of a two digit number is 12 and the difference between the two digits of the two digit number is 6. What is the two digit number?

Five bells begin to toll together at intervals of 9 seconds, 6 seconds, 4 seconds, 10 seconds and 8 seconds respectively. Starting together, how many times will the bells toll together in a span of 1 hour?

Sachin Tendulkar has a certain average for 11 innings. In the 12^th innings he scores 120 runs and there by increases his average by 5 runs, his new average is

The wheel of a motor car makes 1000 revolutions in moving 440 m. The diameter (in meter) of the wheel is

Find the odd one out

7 : 49 :: 17 : ?

Which of the following words will appear fourth in the dictionary?

Gopal said, pointing to Govind ‘His father is my father’s only son’. How is Gopal related to Govind?

Molly travelled from point A to point B which is 5 feet. He then travelled 6 feet to his right and then turned to left and went 4 feet. Finally, he again went 6 feet to his left. How far is he from the point B now ?

Vinod introduces Vishal as the son of the only brother of his father's wife. How is Vinod related to Vishal?

Sita is older to Swapna. Lavanya is older to swapna but younger than Sita. Varna is younger than both Hari and Swapna. Swapna is older to Hari. Who is the youngest ?

If MEKLF is coded as 91782 and LLLJK as 88867, then how can IGHED be coded ?

Select the missing number from the given responses:

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

2, 10, 30, ?, 130, 222

How many such ‘R’s are there in the following letter series which are immediately preceded by ‘M’ and immediately followed by 'K’?

N P K R M D C N M R K P Q K R N M R K R M K P R M

If 84 × 13 = 8 and 37 × 13 = 6 then 56 × 22 = ______

Which one of the following units is not a unit of electrical measurement ?

The headquarters of the International Labour Organization is at

Where is the Indian Forest Research Institute located ?

Cow milk is a rich source of 

The name Kunjarani Devi is associated with

 The Income Tax in India is

 India’s coastline measures

Which one of the following is an example of nitrogen fixing bacteria?

The pigment that helps in photosynthesis

The World’s driest desert is

Which of the following is a vector quantity?

Who was the Peshwa when the Third Battle of Panipat was fought in 1761 ?

Jaldapara Sanctuary is located in

Exposure to sunlight helps a person improve his health because

 In which district of West Bengal was Raja Rammohan Roy born?

Which of the following is not a member of the South Asian Association of Regional Cooperation (SAARC)?

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?

The difference between the areas of a rectangle and square is 35 cm². If the rectangle’s length and breadth are 50% more and 10% less respectively than the side of the square, what is the area of the rectangle? (in cm²)

A man goes uphill at an average speed of 24 kmph. and comes down at an average speed of 30 kmph., the distance travelled in both the cases being the same. The average speed of the entire journey is

The average weight of a group of 75 girls was calculated as 47 kg. It was later discovered that the weight of one of the girls was read 45 kg, whereas her actual was 25 kg. What is the actual average weight of the group of 75 girls`? (rounded off to two digits after decimal)

In a relief camp of 550 men, food was enough for 28 days. If 150 more people joined the camp, the same amount of food will be enough for

What should come in place of ‘?’ mark in the given number series?

1, 8, 9, 64, 25, ?, 49

Find the odd one out: 

Five girls M, N, O, P and Q are standing in a row facing north. P is on the right of Q. N is on the left of Q, but is on the right of M. P is on the left of O. Who is Standing on the extreme right ?

If 'A' means ‘+’, ‘B’ means ‘-’, ‘C’ means 'x’ and ‘D’ means '÷ '  then what will be the value of following expression ?

8 D 2 A 6 C 3 B 5

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

9, 20, 33, 48, ?, 84, 105

What does NATO stands for?

The ‘Dronacharya Award’ is given to __________

The Matatila Hydel Project is on which river?

What should be the student- teacher ratio at the upper primary level in schools under the Right to Education (RTE) Act

Gita Gopinath is the first woman chief economist to be appointed to which international organization?

‘Lilavati’ was written by?

The sun gets its energy from which of the following?

‘Athelete’s foot’, is a disease caused by?

The velocity of sound in air (under normal condition) is

The working of a Rocket is based on the principle of

Which one of the elements is least likely to be found in commercial fertilizers ?

Which of the following has the highest density? 

The Stock Market Index of London Stock Market is referred as

A certain industrial loom weaves 0.128 meters of cloth every second. Approximately how many seconds will it take for the loom to weave 25 meters of cloth?

In an election between two candidates, 75% of the voters cast their votes, out of which 2% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid vote. Find the total number of voters.

The sum of money doubles itself in 4 years at a simple interest. In how many years will it amount to 8 times of itself?

A man purchased 35 kg of rice at the rate of Rs. 9.50 per kg and 30 kg at the rate of Rs. 10.50 per kg. He mixed the two. Approximately, at what price (in Rs.) per kg should he sell the mixture to make 35% profit in the transaction?

The ratio of the length and the breadth of a rectangular plot is 6 : 5 respectively, if the breadth of the plot is 34 meters less than the length, what is the perimeter of the rectangular plot?

In an examination it is required to get 40% of the aggregate marks to pass. A student gets 265 marks and is declared failed by 55 marks, What is the total marks in the said examination?

If the new numerator of a fraction is increased by 200% and the denominator of the fraction is increased by 150%, the resultant fraction is \(\frac{9}{35}\) What is the original fraction ?

If 72 × 96 = 6927, 58 × 87 = 7885, then 79 × 86 = ?

Coffee : Caffeine :: Tobacco :?

Complete the given letter series in the following:

a_ab _baa_bb _

X is the east of Y which is in the north of Z. If P is in the east of Z, then in which direction of X, is P?

Vivek and Ashok start from a fixed point. Vivek moves 3 km north and turns right and then covers 4km. Ashok moves 5 km west and turns right and walks 3 km. Now how far are they apart ?

elect the missing number from the given responses:

In a certain code language ‘T’ is written as 20, ‘TAX’ is written as 20124 and ‘XERO’ is written as 2451815. How would the word ‘BABY’ be written in that code language ?

Choose the odd one:

All of the following noble gases are present in the atmosphere, except

Track and field star Carl Lewis won how many gold medals at the 1984 Olympic Games ?

Which of the following is not the function of Reserve Bank of India (RBI)?

Black cotton soils are also known as

In which Rock Edict is Ashoka named in person and not by his usual title ‘Devanampiya’?

Which of the following is not a particle?