Question

Narasimha's salary was first increased by 40% and then decreased by 40%. If his present salary is rs.16800,

Answer 1

$<b>Heya mate. (^_-). Solution below.$
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• Let Narsimha's earlier salary be 'x'.


• Then increase in salary -

= 40% of x

= 40/100 × x

= 2/5 × x

= 2x/5


• Then, increased salary -

= x + 2x/5

= (5x + 2x)/5

= 7x/5



• Now, decrease in salary -

= 40% of 7x/5

= 40/100 × 7x/5

= 2/5 × 7x/5

= 14x/25


• Then decreased salary -

= 7x/5 - 14x/25

= (35x - 14x)/25

= 21x/25



• Now, decreased salary = current salary

=> 21x/25 = 16800

=> x = 16800 × 25/21

=> x = 420000/21

=> x = 20000


$<marquee>Hence, Narsimha's earlier salary was Rs. 20000.</marquee>$
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Thank you.. ;-)

Answer 2

Answer:

Step-by-step explanation: