NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 8: Ratio & Proportion

Fill in the Blanks

A ratio is a form of comparison by _____.

20 m : 70 m = Rs 8 : Rs ____.

There is a number in the box \(\square\) such that \(\square,\;24,\;9,\;12\) are in proportion. The number in the box is ____.

If two ratios are equal, then they are in ____.

The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ____.

The ratio of the area of the shaded portion to that of the whole figure is ____.

Sleeping time of a python in a 24 hour clock is represented by the shaded portion in Fig. 8.3. The ratio of sleeping time to awaking time is ____.

A ratio expressed in lowest form has no common factor other than _____ in its terms.

To find the ratio of two quantities, they must be expressed in ____ units.

Ratio of 5 paise to 25 paise is the same as the ratio of 20 paise to ____.

Saturn and Jupiter take 9 hours 56 minutes and 10 hours 40 minutes, respectively for one spin on their axes. The ratio of the time taken by Saturn and Jupiter in lowest form is ____.

10 g of caustic soda dissolved in 100 mL of water makes a solution of caustic soda. Amount of caustic soda needed for 1 litre of water to make the same type of solution is ____.