Question
Out of his total income, Amit spent 30% on groceries,
20% on rent and 10% on electricity bills. If he spent 20% of the remaining on entertainment and saved the rest which is Rs. 960, then find his total income.Solution
Let total income of Amit be Rs. '100x' So, amount left after he spent part of it on groceries, rent and electricity bills = 100x - (0.30 + 0.20 + 0.10) X 100x = Rs. '40x' So, 0.80 X 40x = 960 Or, x = (960/32) = 30 So, total income of Amit = 100x = 100 X 30 = Rs. 3,000 Hence, option b.
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