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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