Mrs rane gives 0.025 part of her salary as pocket money to her son Vinod every month . Vinod spends 0.8 part of his pocket money and saves the rest . If he saves ₹277.50 in three months , how much does Mrs rane earn a month ?
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Asked on December 20, 2019 by
Zahir Kapil
Mrs Rane gives 0.025 part of her salary as pocket money to her son Vinod every month. Vinod spends 0.8 part of his pocket money and saves the rest. If the save Rs. 277.50 in three months, how much does Mrs Rane earn in a month?
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Let the income per month is x.
Money given to Vinod is 0.025x
Money saved by Vinod per month is 0.2×0.025x=0.005x
He saves in three months is =3×0.005x=0.015x=277.5
⟹x=Rs.
0.015
277.5
⟹x=Rs.18500
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