Question

176. Raju's salary was first increased by 10%, then decreased by 20 %. If the latest salary is Rs 17600, then find his original salary. (1) Rs 15000 (2) Rs 10000 BY Rs 20000 (4) Rs 18000 ​

Answer 1

Answer:

Let the initial salary be x.

Then by the question

x+10% −20% =17600→1

x+

10

x

−

5

x

=17600

10

10x+x−2x

=17600

10x+x−2x=176000

9x=176000

x=19,555

∴ His initial salary would be

Rs. 19,555

Answer 2

Answer:

let his original salary is Rs x

1st increased by 10 %

now his salary is

Rs (x+x.10/100)

Rs(x+x/10)

=Rs 11x/10

now it decreased by 20%

then his salary

Rs (11x/10-11x/10.20/100)

=Rs (11x/10-11x/50)

=Rs (55x-11x)/50

=> Rs 44x/50

so, 44x/50=17600

=> x=17600×50/44

=> x=1600×50/4

=> x=400×50

=> x=20,000

his original salary is Rs 20,000