Question

Ratio of income of A and B is 7:4 and ratio of
expenditure is 5:4. Which of the following is
true?
(1) A saves more than B
(2) B saves more than A
(3) Saving of A and B is equal
(4) Nothing can be said about their saving​

Answer 1

Step-by-step explanation:

INCOME

A:B=7:4

A=7B/4

EXPENDITURE

A:B=5:4

A=5B/4

SAVINGS OF A=INCOME OF A-EXPENDITURE OF A

SAVINGS=7B/4-5B/4

S=2B/4

S=B/2

2S=B

SO B SAVES 2 TIMES AS MUCH AS A

ANS=(2)

PLEASE LET ME KNOW IF THE ANSWER IS CORRECT