Question
Kalpana allocates 30% of her monthly income to
educational expenses and spends 60% of what remains on clubbing activities. If she spends Rs. 3024 on clubbing, how much does she spend on her studies each month?Solution
Let monthly income of Kalpana is Rs. 100x According to question; 0.70 × 0.60 × 100x = 3024 Or, 42x = 3024 Or, x = 72 Amount spent on study = 0.30 × 72 × 100 = Rs. 2160
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