Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Ratio and Proportion, Exercise 3: ASSIGNMENT 10.3

The cost of two dozen oranges is $₹40$. How many oranges do we get for $₹50$?

If the cost of $1$ dozen pen is $₹60$, what is cost of $60$ such pens?

If $15$ oranges cost $₹40$, what is the cost of $3$ dozen oranges?

$38 \mathrm{kg}$ of rice costs $₹275.50$. What is the cost of $20 \mathrm{kg}$ of such rice?

Ramu bought $12 \mathrm{kg}$ of wheat for $₹108$. How much kilograms of wheat could he have bought, if he had spent $₹144$?

$10$ persons can fill up a water tank in $20$ hours. How many persons are needed to fill it up in $5$ hours ?

Rakesh bought $10$ pens for $₹55$ and Raju bought $2$ pens for $₹13$. Who has paid more?

First bus travels $36 \mathrm{km}$ in $30$ minutes and second bus travels $120 \mathrm{km}$ in $2$ hours. Which bus does travel fast?