Monica Capoor Solutions for Chapter: Direct and Inverse Proportions, Exercise 1: EXERCISE

A shuttle can take $288$ people in $9$ trips. In how many trips can it take $416$ people?

A tractor can plough $12$ hectares in $4$ hours. Moving at the same speed, how much time does it require to plough $13.5$ hectares?

Keya deposited $₹2000$ in a bank and earned an interest of $₹160$ over a period of time. To get $₹480$ as interest for the same period, how much money does she need to deposit in the bank?

The monthly earnings and monthly savings of Shamali are in the ratio $4:1$. If Shamali's monthly salary is $₹75000$, how much is her annual saving?

In April $2013$ a company distributed $₹113100$ to thirteen drivers drawing equal salaries. If four more drivers joined services in May $13$ and drew the same salary as the other drivers, then what is the total money that the company spent on the salaries of the drivers in the month of May $13$ ?

In $7$ days a machine cleans $5.6\times {10}^7 \mathrm{kg} \mathrm{wt}$ of iron ore. If the iron ore will it clean in $45$ days is $k\times {10}^8 \mathrm{kg} \mathrm{wt}$, find the value of $k$

$22$ men can dig $13\frac{1}{2}$ metres long trench in one day. How many men should be employed for digging $54$ metres long trench of the same type in one day?

If $\frac{2}{3}$ piece of iron has a mass of $6 \mathrm{kg} \mathrm{wt}$, then what would be the mass of $\frac{5}{6}$ of the iron piece?