Question
'M’s income is 80% higher than 'N’s. M and N save
25% and 15% of their incomes respectively. If M spends Rs. 1170 more than N, what are M's savings?Solution
ATQ,
Let the income of 'N' be Rs. '100n'
Income of 'M' = 1.8 × 100n = Rs. '180n'
Expenditure of 'M' = 0.75 × 180n = Rs. '135n'
Expenditure of 'N' = 0.85 × 100n = Rs. '85n'
So, 135n – 85n = 1170
Or, 50n = 1170
Or, n = 23.4
Savings of 'M' = 180n – 135n = 45n = 45 × 23.4 = Rs. 1,053
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