# Tech Mahindra Papers: Sample Questions 21 - 23 of 42

Examrace Placement Series prepares you for the toughest placement exams to top companies.

## Question number: 21

### Write in Short

A man spends half of his salary for house hold expenses, th on rent, th for travel expenses and remaining 50 Rs. he deposits in bank. What is his monthly salary?

### Explanation

• Let the original monthly salary of man be Rs. x.
• He spends half of his salary for house hold expenses, th on rent, th for travel expenses and remaining 50 Rs. he deposits in bank.
• Writing this statement in equation form,

• Monthly salary of man will be Rs. 1000.

## Question number: 22

### Write in Short

If and then what will be the value of ?

### Explanation

From equation (i),

Substituting this value of b in equation (ii),

Substituting its value in equation (iii),

for respectively.

We are asked to find the value of

Case 1: If a = 4 then b = 1

Case 2: If a = 2 then b = 2

So, in any case value of is only.

## Question number: 23

MCQ▾

### Question

x % of y is y % of?

### Choices

Choice (4) Response

a.

b.

x

c.

can’t be determined

d.

2y