R. D. Sharma Solutions for Chapter: Unitary Method, Exercise 1: EXERCISE

If $6$ oil tankers can be filled by a pipe in $4\frac{1}{2} \mathrm{hours}$, how long does the pipe take to fill $4$ such oil tankers?

$\frac{3}{4}$ of the salary per month is $₹600$. What is the salary per month?

The cost of $32$ tables is $₹23520$. Find the number of such tables that can be purchased for $₹51450$.

The yield of wheat from $6 \mathrm{hectares}$ is $280 \mathrm{quintals}$. Find the number of hectares required for a yield of $225 \mathrm{quintals}$.

Fifteen postcards cost $₹2.25$. What will be the cost of $36$ postcards? How many postcards can we buy in $₹45$?

A rail journey of $75 \mathrm{km}$ costs $₹215$. How much will a journey of $120 \mathrm{km}$ cost?

If the sales tax on a purchase worth $₹60$ is $₹4.20$. What will be the sales tax on the purchase worth of $₹150$?

$52$ packets of $12$ pencils each, cost $₹499.20$. Find the cost of $65$ packets of $10$ pencils each.