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Express 0.125 as a fraction in its simplest form.

Find the value of 2/9 ÷ (4/9 + 2/3) × 7/8

David spent 2/5 of his money on food and 1/4 of it on transport. what fraction of his money did he have left?

In a class, 1/3 of the students are girls. 1/2 of the boys and 1/3 of the girls can swim. what of the students in class can swim?

Ahmed spent 1/8 of his money on a book and $ 50 on a radio. He had 1/4 of his money left. How much money did he have left?

3/4 of Sahara's stamps are U.S. stamps. The rest are Canadian stamps. What percentage of his stamps are Canadian stamps?

Halima spent $300 of her monthly salary on rent. She spent 1/2 of the remainder on food and $120 on transport. if she had $160 left, find her monthly salary?

3/4 of sum of money is $ 1800. How much is 2/5 of the sum of the money?

A square has the same perimeter as the triangle.

Find the area of the square.

The figure is made up of a square and a semicircle.

Find its perimeter. (Take π=3.14)