The number of illiterates in village c are what percent less than that in village D

The side of a square is equal to the length of a rectangle; also the side of the square is twice the breadth of the rectangle. If the sum of the areas of the square and rectangle is 48 cm², what is the length of the rectangle

(3 × 9.2) ÷ ²/₉ of 62 = ?

(24.99% of 900.911) ÷ (10.30% of 25.011) = ?⁴

√149-(113.79+65.89) ÷ ? = 6

A jar contains a mixture of milk and water in the respective ratio of 3:1. When 4 litre of the mixture is taken out and thereafter 3 litre of milk is added to the remaining mixture. The respective ratio of milk and water in the resultant mixture thus formed is 4:1. What was the initial quantity of water in the mixture