Search Previous Year Questions

Find real questions from previous competitive exam papers with answers and solutions.

Showing 10 question(s)
Clear

Question 21

Police Exams 2024• Test

In what proportion must a grocer mix sugar at ₹ 48 per kg and ₹ 28 per kg so that he makes a mixture worth ₹ 40 per kg ?

  1. AOption (a)

    1 ∶ 4

  2. BOption (b)

    12 ∶ 7

  3. COption (c)

    7 ∶ 12

  4. DOption (d)

    3 : 2

View answer & explanation

Correct answer

Answer: (a)A.

1 ∶ 4

Explanation not yet available.

Question 22

Police Exams 2024• Test

A boy can swim in still water at a speed of 10 km/hr. If the speed of the current would have been 5 kmph, •then the boy could swim 60km downstream (along the flow) in how much time ?

  1. AOption (a)

    10 hours

  2. BOption (b)

    4 hours

  3. COption (c)

    5 hours

  4. DOption (d)

    6 hours

View answer & explanation

Correct answer

Answer: (a)A.

10 hours

Explanation not yet available.

Question 23

Police Exams 2024• Test

Out of four numbers, the average of the first three is 15 and that of the last three is 16. If the last number is 19, then the first number is:

  1. AOption (a)

    17

  2. BOption (b)

    19

  3. COption (c)

    18

  4. DOption (d)

    16

View answer & explanation

Correct answer

Answer: (a)A.

17

Explanation not yet available.

Question 24

Police Exams 2024• Test

A, B and C started a business. A invested 3313\frac{1}{3} % of the total capital, B invested 3313\frac{1}{3} % of the remainingcapital and C, the remaining. If the total profit at the end of the year was ₹ 4,050, then find the amount by which the profit of C exceeds the profit of B.

  1. AOption (a)

    ₹900

  2. BOption (b)

    ₹700

  3. COption (c)

    ₹ 520

  4. DOption (d)

    ₹675

View answer & explanation

Correct answer

Answer: (a)A.

₹900

Explanation not yet available.

Question 25

Police Exams 2024• Test

If the selling price is tripled and cost price doubled, the profit would become 65%. So, what is the present profit (in %)?

  1. AOption (a)

    45%

  2. BOption (b)

    10%

  3. COption (c)

    50%

  4. DOption (d)

    26.5%

View answer & explanation

Correct answer

Answer: (a)A.

45%

Explanation not yet available.

Question 26

Police Exams 2024• Test

Find the LCM of 0.7, 0.35, 1.05.

  1. AOption (a)

    0.7

  2. BOption (b)

    2.1

  3. COption (c)

    0.105

  4. DOption (d)

    0.07

View answer & explanation

Correct answer

Answer: (a)A.

0.7

Explanation not yet available.

Question 27

Police Exams 2024• Test

The sum of two numbers is 25 and their HCF and LCM are 3 and 105 respectively. The sum of the reciprocal of the two numbers is: 

  1. AOption (a)

    536\frac{5}{36}

  2. BOption (b)

    635\frac{6}{35}

  3. COption (c)

    563\frac{5}{63}

  4. DOption (d)

    356\frac{3}{56}

View answer & explanation

Correct answer

Answer: (a)A.

536\frac{5}{36}

Explanation not yet available.

Question 28

Police Exams 2024• Test

An amount of ₹ 25,000 in 2 years at compound interest compounded annually, if the interest rate for the successive years be 4% and 5% per annum respectively, is:

  1. AOption (a)

    ₹27,300

  2. BOption (b)

    ₹29,000

  3. COption (c)

    ₹26,800

  4. DOption (d)

    ₹28,000

View answer & explanation

Correct answer

Answer: (a)A.

₹27,300

Explanation not yet available.

Question 29

Police Exams 2024• Test

The speed of a boat along and against the current is 22 km/hr and 18 km/hr respectively. Then the speed of the current (in km/hr) is: 

  1. AOption (a)

    4

  2. BOption (b)

    2

  3. COption (c)

    7

  4. DOption (d)

    3

View answer & explanation

Correct answer

Answer: (a)A.

4

Explanation not yet available.

Question 30

Police Exams 2024• Test

A shopkeeper marks the price of a book 120% above its cost price. If he gives a discount of 10% on the marked price, then find his profit %. 

  1. AOption (a)

    65%

  2. BOption (b)

    60%

  3. COption (c)

    98%

  4. DOption (d)

    110%

View answer & explanation

Correct answer

Answer: (a)A.

65%

Explanation not yet available.