NPAT

Review 100 NPAT practice questions with answer explanations and community insights.

Question 1

In a college, the ratio of the number of students to teachers is 12:1 and the ratio of non-teaching staff to students is 1:60. Which of the following is the ratio of the number of teachers to the number of non-teaching staff?

  1. 1:12
  2. 1:6
  3. 1:5
  4. 5:1
  5. 12:1

Question 2

X takes 4 hours to write 100 pages of a book and Y takes 6 hours to write 90 pages of the same book. In how much time can they write 200 pages working together? Note: Assume that the same amount of effort is required for writing each page of the book.

  1. 3 hours
  2. 4 hours
  3. 5 hours
  4. 6 hours
  5. 7 hours

Question 3

A sum of Rs 20,000 is invested for 3 years at compound interest, compounded annually. If the rate of interest is 20% for the 1st year, 10% for the 2nd year and 5% for the 3rd year, then which of the following is the value of the interest accrued in 3 years?

  1. Rs 5,200
  2. Rs 6,880
  3. Rs 7,556
  4. Rs 7,720

Question 4

There are 3 times as many buses as there are cabs in a city. In total, 10% of the buses are air-conditioned and 60% of the cabs are air-conditioned. If there are only these 2 types of vehicles, what percentage of the vehicles in the city are air-conditioned?

  1. 22.50%
  2. 25.00%
  3. 30.00%
  4. 33.33%
  5. 36.00%

Question 5

If A = {1, 2, 3, 5, 7}, B = {3, 4, 5, 7} and C = {0, 4, 9}, then which of the following is

  1. {1, 2, 4, 5, 7}
  2. {0, 1, 2, 3, 4, 5, 6, 7}
  3. {1, 2, 3, 4, 5, 6, 7, 9}
  4. {0, 1, 2, 3, 4, 5, 6, 7, 9}
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