1.

The ratio of the income to the expenditure of a family is 10 : 7. If the family expenses are Rs. 11,200, then the savings of the family is1). Rs. 4,5002). Rs. 10,0003). Rs. 4,8004). Rs. 5,000

Answer»

LET the income and expenditures be Rs. 10X and Rs. 7X respectively

⇒ Given Expense is Rs. 11,200

⇒ 7x = 11,200

⇒ x = 11,200/7 = 1600

SAVING = income - expenditure

⇒ Saving = 10x - 7x

⇒ Saving = 3x

PUTTING the value of x in above we get

⇒ Saving = 3 × 1600

∴ Saving = Rs. 4,800


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