S Purkayastha Solutions for Chapter: Ratio and Proportion, Exercise 10: Test Yourself

Write the following ratio in descending order.

$4:5, 6:7, 7:9, 9:11$

Which is greater?

$5:7\text{ or }11:14$

Which is greater?

$15:13\text{ or }9:7$

Which is greater?

$15:22\text{ or }17:24$

If $x:y=3:4$, find the ratio of $2x+3y:3x+5y$.

If $x:y=8:9$, find the ratio of $7x-4y:3x+2y$.

Find the third proportional to $5$ and $10$.

Find the mean proportional to $15$ and $60$.