# MTNL: 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

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

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

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

1. 16

2. 34

3. 8

4. 15

5. 18

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

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

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

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

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

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