A bag has coins of 50 paisa, 25 paisa and 10 paisa in the respective ratio of 5 : 8 : 3 whose total value is Rs.144. Fin…

A mixture contains wine and water in the ratio 3 : 2 and another mixture contains them in the ratio 4 : 5. How many litr…

A, B, C and D have Rs. 40, Rs. 50, Rs. 60 and Rs. 70 respectively when they go to visit a fair. A spends Rs. 18, B spend…

The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 152…

A box has 1 rupee, 50 paise and 25 paise coins in the ratio 3 : 2 : 5 worth Rs. 252. The number of 25 paise coins in the…

The total number of boys in a school is 16% more than the total number of girls in the school. What is the respective r…

If x<sup>2</sup> + 4y<sup>2</sup> = 4xy, then x : y is -

A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5…