Subject Experts Solutions for Chapter: Comparing Quantities, Exercise 7: Let Us Try 9.2

Express $6\frac{2}{3}\mathrm{\%}$ as lowest form of fraction.

If $30 \mathrm{s}\mathrm{e}\mathrm{c}\mathrm{o}\mathrm{n}\mathrm{d}\mathrm{s}$ of $3 \mathrm{minutes}$ in terms of percentage is $k\%$, find $k$ (round off to two decimal places).

Find the percentage of the shaded portion in the given figure.

Find the ratio of the pair of numbers and express it as a percentage.
$15, 30$

Find the ratio of the pair of numbers and express it as a percentage.
$25, 75$

Find the ratio of the pair of numbers and express it as a percentage.
$12, 150$

Find the ratio of the pairs of numbers and express it as a percentage.
$40, 60$

Find the ratio of the pair of numbers and express it as a percentage.
$3\frac{1}{3}, 90$