Fill in the blanks to make the statements true.

(A) Ratio of 5 paise to 25 paise is the same as the ratio of 20 paise to _____

(B) 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 ______.

(C) 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 ______.