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Question 191

Kolkata Police Constable 2022• Test

48 liter mixture acid and water ratio is 7 : 5. How many liters of acid are added to that mixture, so that the ratio of acid and water in the mixture will be 3 : 2?

  1. AOption (a)

    4

  2. BOption (b)

    5

  3. COption (c)

    2

  4. DOption (d)

    3

View answer & explanation

Correct answer

Answer: (a)A.

4

Explanation not yet available.

Question 192

Kolkata Police Constable 2022• Test

Where was the capital of the Kushan Emperor Kanishka located?

  1. AOption (a)

    Kanauj

  2. BOption (b)

    Purushpur

  3. COption (c)

    Magadh

  4. DOption (d)

    Patliputra

View answer & explanation

Correct answer

Answer: (a)A.

Kanauj

Explanation not yet available.

Question 193

Kolkata Police Constable 2022• Test

A tank is filled by pipes A and B and emptied by pipe C. Pipes A and B fill the tank in 72 and 90 minutes respectively. The tank fills in 2 hours if all pipes are open. After running pipes A and B together for 12 minutes, if they are turned off and pipe C is opened, in how many minutes will the tank be empty?

  1. AOption (a)

    16

  2. BOption (b)

    18

  3. COption (c)

    15

  4. DOption (d)

    12

View answer & explanation

Correct answer

Answer: (a)A.

16

Explanation not yet available.

Question 194

Kolkata Police Constable 2022• Test

What is the amount of inert matter in an object called?

  1. AOption (a)

    Density

  2. BOption (b)

    Amount

  3. COption (c)

    Mass

  4. DOption (d)

    Weight

View answer & explanation

Correct answer

Answer: (a)A.

Density

Explanation not yet available.

Question 195

Kolkata Police Constable 2022• Test

Arrange the words according to the English dictionary:

(I) ELEGANCE

(II) CLEVER

(III) CEMENT

(IV) EMINENT

(V) CLEAR

  1. AOption (a)

    III, II, V, I, IV

  2. BOption (b)

    III, II, V, IV, I

  3. COption (c)

    III, V, II, I, IV

  4. DOption (d)

    III, V, II, IV, I

View answer & explanation

Correct answer

Answer: (a)A.

III, II, V, I, IV

Explanation not yet available.

Question 196

Kolkata Police Constable 2022• Test

The second of the three numbers is double the first and triple the third. If the average of three numbers is 44, what is the largest number?

  1. AOption (a)

    36

  2. BOption (b)

    108

  3. COption (c)

    24

  4. DOption (d)

    72

View answer & explanation

Correct answer

Answer: (a)A.

36

Explanation not yet available.

Question 197

Kolkata Police Constable 2022• Test

The ratio of previous year income of A and B is 3 : 4. Their income increases in the ratio of 2 : 3 and 4 : 5 this year. If their total income this year is Rs 28,500, then what is the income of A this year?

  1. AOption (a)

    13,000

  2. BOption (b)

    13,500

  3. COption (c)

    12,500

  4. DOption (d)

    12,000

View answer & explanation

Correct answer

Answer: (a)A.

13,000

Explanation not yet available.

Question 198

Kolkata Police Constable 2022• Test

8 men or 12 women earn Rs 1,200 in 30 days. How much money will 20 men and 24 women earn in 5 days?

  1. AOption (a)

    1,800

  2. BOption (b)

    600 

  3. COption (c)

    900

  4. DOption (d)

    1,200

View answer & explanation

Correct answer

Answer: (a)A.

1,800

Explanation not yet available.

Question 199

Kolkata Police Constable 2022• Test

Which is the newest circuit bench of Calcutta High Court?

  1. AOption (a)

    Jalpaiguri

  2. BOption (b)

    Alipurduar

  3. COption (c)

    Patna

  4. DOption (d)

    Port Blair

View answer & explanation

Correct answer

Answer: (a)A.

Jalpaiguri

Explanation not yet available.

Question 200

Kolkata Police Constable 2022• Test

The starting price of a book is Rs 1,250. If the price of the book is reduced by 10%, 20%, 40% three times in a row, what will be the final price of the book?

  1. AOption (a)

    640

  2. BOption (b)

    360

  3. COption (c)

    450

  4. DOption (d)

    540

View answer & explanation

Correct answer

Answer: (a)A.

640

Explanation not yet available.