What is the Weekly Income of Sohan? If

Weekly income of Sohan ad Surendra are in the ratio of 7:3 and their weekly expenses are in the ratio of 5:2. If each of them saves Rs. 300 per week, then the weekly income of Sohan is___:

  1. Rs. 5300
  2. Rs. 3600
  3. Rs. 6300
  4. None of these
Monis Rasool Professor Asked on 7th August 2015 in Maths.
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1 Answer(s)

Answer: (3) Rs.6300

Explanation:-
The ratio of the weekly income of Sohan and Surendra = 7 : 3
Then, Let the  weekly income of Sohan = 7 X  & the weekly income of Surendra = 3 X

According to the question,
(7 X – 300) / (3 X- 300) = 5/ 2
BY cross multiplication.
2 x 7 X – 2 x 300 = 5 x 3 X – 5 x 300
14 X – 600 = 15 X – 1500
15 X – 14 X = 1500 – 600
X = 900
Then, the weekly income of Sohan is 7 X = 7 x 900
= Rs.6300

Hence, the answer is (3) Rs.6300.

Anurag Mishra Professor Answered on 7th August 2015.
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