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प्रश्न
The ratio of Fatima’s income to her savings is 4 : 1. The percentage of money saved by her is ______.
पर्याय
20%
25%
40%
80%
उत्तर
The ratio of Fatima’s income to her savings is 4:1. The percentage of money saved by her is 25%.
Explanation:
Given, ratio of income to savings = 4 : 1
Let income = 4x and savings = x.
∴ Percentahe of money saved by her = `"Savings"/("Income") xx 100%` [We find percentage of saving on the basis of income]
= `x/(4x) xx 100`
= `x/(4x)xx100`
= `1/4 xx 100%`
= 25%
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