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

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.

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

10g of caustic soda dissolved in 100mL 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 ______.