M L Aggarwal Solutions for Exercise 4: Multiple Choice Questions

The ratio of $4 \mathrm{litres} \mathrm{to} 900 \mathrm{mL}$ is:

When the number $210$ is increased in the ratio $5:7$, then the new number is:

Two numbers are in the ratio $7: 9$. If the sum of the numbers is $288$, then the smaller number is:

The ratio of number of edges of a cube to the number of its faces is:

If $x, 12, 8$ and $32$ are in proportion, then the value of $x$ is:

The fourth proportional to $3, 4, 5$ is:

The third proportional to $6\frac{1}{4}$ and $5$  is:

The mean proportional between $\frac{1}{2}$ and $128$  is: