S K Khanuja Solutions for Chapter: Ratio, Exercise 2: Exercise

Divide $81$ in two parts in the ratio $3:6$.

Which ratio is larger in the following pairs:

$3:4$ or $9:16$

Which ratio is larger in the following pair(write in fractional form):

$5:12$ or $17:30$

Which ratio is larger in the following pair(write in fractional form):

$3:7$ or $4:9$

Which ratio is larger in the following pairs:

$1:2$ or $13:27$

The ratio of zinc and copper in an alloy is $7:9$. If the weight of copper in the alloy is $11.7 \mathrm{kg}$ and the weight of zinc in the alloy is $y \mathrm{kg}$. Find $y$.

The ratio of the income to the saving of a family is $11:2$. The expenditure is $₹k$ and the saving is $₹760$. Find $k$.

Divide $₹642$ among $A, B, C$ in the ratio $1:2:3$.