# RBI Assistant: Numerical Aptitude Questions (Practice_Test 7 of 12)

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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?

Rs. 12.875

Rs. 10.04

10.875

Rs. 12.80

Rs. 13.80

Answer: c

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?

Rs. 252

Rs. 243

Rs. 240

Rs. 250

Rs. 350

Answer: c

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

99999999

10000000

80000006

9999996

None of these

Answer: d

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

16

34

8

15

18

Answer: b

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

Rs. 4800

Rs. 6000

Rs. 8000

Rs. 7000

Data inadequate

Answer: d

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?

5 years

6 years

7 years

8 years

10 years

Answer: d

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

2

5

7

10

Answer: c

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

1

0

2

3

8

Answer: b

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

Rs. 19.20

Rs. 9.60

Rs. 19.18

Rs. 19.58

Rs. 20.58

Answer: d

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

Rs. 1500

Rs. 1432

Rs. 1200

Rs. 1224

Rs. 1324

Answer: d