Ratio and Proportion Set 1

Simplest form of 12 : 45 is 4 : 15

• True

• False

A ratio is a comparison of measures of two quantities of same or different kind

• True

• False

The ratio of 8 mangoes to 44 mangoes is 2 : 11.

• True

• False

Ratio is a number, so it has got no units.

• True

• False

To compare two ratios, we must convert them into mixed fractions.

• True

• False

A ratio is always greater than 1.

• True

• False

Ratio of half an hour to 50 seconds is 30 : 50.

• False

• True

The ratio 3 : 2 and 5 : 7 are equivalent

• False

• True

Find the value of 'm; in the below given proportion.
m : 5 = 9 : 15

• 1

• 2

• 3

• 4

Find the fourth proportional to 3 km, 12 km, 18 km.

• 36

• 63

• 72

• 27