1.

The respective ratio of income and expenditure of a man is 3 : 1. If his income is increased by 25 percent and expenditure is decreased by 40 percent, then what will be the respective ratio of his new income and new expenditure?1. 25 : 12. 22 : 43. 23 : 14. 25 : 4

Answer» Correct Answer - Option 4 : 25 : 4

Given:
Ratio of income to expenditure 3 : 1

Calculation:

Let income be 3x and expenditure be x

Increased income = 1.25(3x) = 3.75x

Decreased expenditure = 0.6x

Required ratio of income to expenditure = 3.75x/0.6x = 25/4

∴ Respective ratio of his new income and new expenditure = 25 : 4.



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