How much saving increased?

Ramu spends 75% of his income. His income is increased by 20% and he has increased his expenditure by 10 %. His Saving are increased by:

  1. 40%
  2. 50%
  3. 30%
  4. 25%
Anurag Mishra Professor Asked on 7th January 2016 in Maths.
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1 Answer(s)

Answer: (2) 50%

Solution:-
Let the original income=Rs.100 .
Then , expenditure=Rs.75 and savings =Rs.25

New income =Rs.120 , New expenditure => Rs.((110/100) x 75)=Rs.165/2

New savings = Rs.(120-(165/2)) = Rs.75/2

Increase in savings = Rs.((75/2)-25)=Rs.25/2

Increase %= ((25/2) x (1/25) x 100)% = 50%.

Hence, the correct answer is option (2) 50%.

Anurag Mishra Professor Answered on 9th January 2016.
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