The cost of 11 kg of sugar is `264, 14 kg of tea is Rs 252 and 17 litres of milk is Rs 544. What is the total cost of 24 kg of sugar, 21 kg of tea and 25 litres of milk ?

Two years ago the ratio of the ages of Swati and Khyati was 5 : 7 . Two years hence the ratio of their ages will be 7 : 9. What is the present age of Khyati ?

25 pieces of shirt each 125 cm in length can be cut fror a reel of cloth. After cutting these pieces, 90 cm of clot is left. What is the length of the reel of cloth in metres