Question

The weekly expenses of a boy have increased from Rs. $1,500$ to Rs.$2,250$. Find the ratio of:
(1) increases in expenses to original expenses.
(2) Original expenses to increased expenses.
(3) Increased expenses to increase in expenses.

• A. $1)1:2,2)3:2,3)3:1$
• B. $1)1:2,2)2:3,3)1:3$
• C. $1)2:1,2)2:3,3)3:1$
• D. $1)1:2,2)2:3,3)3:1$

Answer 1

Answer: (D)

$1)1:2,2)2:3,3)3:1$

$Increaseinexpensestooriginalexpenses=\frac{2250-1500}{1500}=\frac{750}{1500}$$=1:2$

$Originalexpensestoincreasedexpenses=\frac{1500}{2250}=\frac{2}{3}=2:3$

$Increasedexpensestoincreaseinexpenses=\frac{2250}{750}=3:1$