Question 20

After spending 1/4th of pocket money on chocolates and 1/8th on pizza, a girl is left with Rs.40.
How much money did she have at first?

Solution

Let the pocket money be = x

The girl spend = , 1/4 on choclate and 1/8 on pizza

so, total money spend = ((1/4)+(1/8)) = (3/8)*x

Left money = x- ((3/8)*x) = (5*x)/8

given , left money = 40rs

therefore, (5*x)/8 = 40

x= (40*8)/5

= 64 rs .

Total pocket money = 64 rs

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