Andhra Pradesh Board Solutions for Chapter: Ratio - Applications, Exercise 3: Exercise

$32:64::6:12$

$25:1::40:160$

Madhu buys $5 \mathrm{kg}$ of potatoes at the market. If the cost of $2 \mathrm{kg} \text{is} ₹36$ Madhu pays $₹\mathrm{x}$. Find the value of $\mathrm{x}$.

Physics tells us that weights of an object on the moon is proportional to its weight on Earth. Suppose a $90 \mathrm{kg}$ man weighs $15 \mathrm{kg}$ on the moon a $60 \mathrm{kg}$ woman weigh on the moon is $\mathrm{x} \mathrm{kg}$. Find the value of $\mathrm{x}$.

A disaster relief team consists of engineers and doctors in the ratio of $2:5$.

If there are $18$ engineers, find the number of doctors.

A disaster relief team consists of engineers and doctors in the ratio of $2:5$.

If there are $65$ doctors, find the number of engineers.

The ratio of two angles is $3:1$. The larger angle is $\mathrm{k}°$ if the smaller angle is $180°$. Find the value of $\mathrm{k}$.

The ratio of two angles is $3:1$. The smaller angle is $\mathrm{k}°$ if the larger angle is $63°$. Find the value of $\mathrm{k}$.