Question

Q - 1 Do as directed.

1. A man got 10% increase in his salary. If his enhanced salary is Rs. 1,54,000 per

annum, then find his original salary. (2)

2. Simplify: (

7

2

x

5

3

) + ( 1

6

x

3

2

) – (

12

8

x

4

3​

Answer 1

Let the original salary be x,

A/Q

x + 10%of x = 1,54,000

x+10/100× x = 1,54,000

x+x/10 =1,54,000

(10x + x) /10 = 1,54,000

11x/10 =1,54,000

x = 1,54,000×10/11

= 14,000×10

=1,40,000

Therefore Original salary =1,40,000