# Wipro Placement: Sample Questions 11 - 12 of 24

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## Question 11

### Question

MCQ▾

The difference between the compound and simple interest on a certain sum for 2 years at the rate of 8 % per annum is ₹ 80. What is the sum?

Choice (4)

a.

13,250

b.

11,880

c.

12,500

d.

14,270

c.

### Explanation

Let the principal amount be ₹ x

We are given that difference between compound and simple interest on a certain sum for 2 years at the rate of 8 % per annum is ₹ 80.

Compound interest

Simple interest

So, principal (sum) is ₹ 12,500/-

## Question 12

### Question

MCQ▾

In 1999, Ram reads 19 books that are either French or English books. In 2000, he reads twice the no. of French books as English books. If 60 % of the books that he read in the two years are French, how many books did he read in 2000?

Choice (4)

a.

48

b.

41

c.

29

d.

37

a.

### Explanation

In 1999, Ram reads 19 books. Among them some are French and others are English.

Let, the no. of French books that Ram reads in 2000 be x.

Ram reads twice the no. of French books as English books. So, the no. of English books that he reads in 2000 is 2x.

Total no. of books he reads in , i.e.. the no. of books he reads in 2000 must be multiple of 3.

Among the given options the only option which is multiple of 3 is 48.

Hence, Ram reads 48 numbers of books in year 2000.

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