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Question 301

Kolkata Police Constable 2020• Test

In 1853 the first railway was placed in which of the following states?

  1. AOption (a)

    Uttar Pradesh

  2. BOption (b)

    Rajasthan

  3. COption (c)

    Maharastra

  4. DOption (d)

    Bihar

View answer & explanation

Correct answer

Answer: (a)A.

Uttar Pradesh

Explanation not yet available.

Question 302

Kolkata Police Constable 2020• Test

Any part of the following sentence may have error. Find out which part of the sentence has an error or no error.

It was him / who came running / into the classroom.

  1. AOption (a)

    It was him

  2. BOption (b)

    into the classroom.

  3. COption (c)

    No error

  4. DOption (d)

    who came running

View answer & explanation

Correct answer

Answer: (a)A.

It was him

Explanation not yet available.

Question 303

Kolkata Police Constable 2020• Test

In how many years Rs.450 will become Rs.81 in simple interest of 4.5% p.a.?

  1. AOption (a)

    1

  2. BOption (b)

    3

  3. COption (c)

    4

  4. DOption (d)

    2

View answer & explanation

Correct answer

Answer: (a)A.

1

Explanation not yet available.

Question 304

Kolkata Police Constable 2020• Test

'Iris' is located in which part of the human body?

  1. AOption (a)

    Ear

  2. BOption (b)

    Eye

  3. COption (c)

    Heart

  4. DOption (d)

    Nose

View answer & explanation

Correct answer

Answer: (a)A.

Ear

Explanation not yet available.

Question 305

Kolkata Police Constable 2020• Test

Any part of the following sentence may have error. Find out which part of the sentence has an error or no error.

Supposing if / it rains / what shall we do?

  1. AOption (a)

    Supposing if

  2. BOption (b)

    what shall we do?

  3. COption (c)

    No error

  4. DOption (d)

    it rains

View answer & explanation

Correct answer

Answer: (a)A.

Supposing if

Explanation not yet available.

Question 306

Kolkata Police Constable 2020• Test

Average age of husband, wife and child 3 years ago was 27 years and average age of wife and child 5 years ago was 20 years. What is the current age of the husband?

  1. AOption (a)

    20

  2. BOption (b)

    40

  3. COption (c)

    50

  4. DOption (d)

    30

View answer & explanation

Correct answer

Answer: (a)A.

20

Explanation not yet available.

Question 307

Kolkata Police Constable 2020• Test

Which of the following is the largest state in India in terms of area?

  1. AOption (a)

    Uttar Pradesh

  2. BOption (b)

    Rajasthan

  3. COption (c)

    Maharastra

  4. DOption (d)

    Bihar

View answer & explanation

Correct answer

Answer: (a)A.

Uttar Pradesh

Explanation not yet available.

Question 308

Kolkata Police Constable 2020• Test

If 5 pumps work for ৪ hours a day, a reservoir becomes empty in 30 days. If 4 pumps work for 6 hours a day, then in how many days can the reservoir be vacant?

  1. AOption (a)

    20

  2. BOption (b)

    40

  3. COption (c)

    50

  4. DOption (d)

    30

View answer & explanation

Correct answer

Answer: (a)A.

20

Explanation not yet available.

Question 309

Kolkata Police Constable 2020• Test

What is the chemical symbol of nitric acid?

  1. AOption (a)

    H2SO4

  2. BOption (b)

    HNO3

  3. COption (c)

    C6H5OH

  4. DOption (d)

    HCl

View answer & explanation

Correct answer

Answer: (a)A.

H2SO4

Explanation not yet available.

Question 310

Kolkata Police Constable 2020• Test

Four numbers are given below, out of them three are related by an argument and one is not related with that argument. Find that number.

  1. AOption (a)

    72

  2. BOption (b)

    96

  3. COption (c)

    28

  4. DOption (d)

    82

View answer & explanation

Correct answer

Answer: (a)A.

72

Explanation not yet available.