Quark: Numerical Aptitude Questions (Paper 7 of 12)

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  1. Vivek purchased 120 tables at a price of Rs. 110 per table. He sold 30 tables at a profit of Rs. 12 per table and 75 tables at a profit of Rs. 14 per table. The remaining tables were sold at a loss of Rs. 7 per table. What is the average profit per table?

    1. Rs. 12.875

    2. Rs. 10.04

    3. 10.875

    4. Rs. 12.80

    5. Rs. 13.80

    Answer: c

  2. A book dealer allows 16 per cent discount to a retailer and the retailer allows 10 per cent discount to a customer. These both discounts are given on the printed price of the book. If the customer pays Rs. 270 for a book and the dealer makes a profit of 5 per cent what is the cost price of the book for the dealer?

    1. Rs. 252

    2. Rs. 243

    3. Rs. 240

    4. Rs. 250

    5. Rs. 350

    Answer: c

  3. The difference between the greatest and the least numbers of eight digits which begin with 8 and end with 6 is

    1. 99999999

    2. 10000000

    3. 80000006

    4. 9999996

    5. None of these

    Answer: d

  4. If a * b = a2 + b2 then 3 * 5 is equal to

    1. 16

    2. 34

    3. 8

    4. 15

    5. 18

    Answer: b

  5. The Simple interest on a sum of money at 8 per cent per annum for 6 years is half the sum. The sum is

    1. Rs. 4800

    2. Rs. 6000

    3. Rs. 8000

    4. Rs. 7000

    5. Data inadequate

    Answer: d

  6. How long will it take a sum of money invested at 5 per cent per annum simple interest to increase its value by 40 per cent?

    1. 5 years

    2. 6 years

    3. 7 years

    4. 8 years

    5. 10 years

    Answer: d

  7. A number, when successively divided by 3 and 5, leaves remainder of 2 and 1, when the same number is divided by 15, the remainder is

    1. 1

    2. 2

    3. 5

    4. 7

    5. 10

    Answer: c

  8. The numbers 1, 3, 5, … 25 are multiplied together. The numbers of zeros at the right end of the product is

    1. 1

    2. 0

    3. 2

    4. 3

    5. 8

    Answer: b

  9. What will be the compound interest on Rs. 240 for 2 years at 4 per cent per annum?

    1. Rs. 19.20

    2. Rs. 9.60

    3. Rs. 19.18

    4. Rs. 19.58

    5. Rs. 20.58

    Answer: d

  10. Find the compound interest on Rs. 15000 at 8 per cent per annum payable half-yearly for 1 year.

    1. Rs. 1500

    2. Rs. 1432

    3. Rs. 1200

    4. Rs. 1224

    5. Rs. 1324

    Answer: d