Kartik's mother asked him to get the vegetables, milk and butter from the market and gave him the money in the denominator of 1 Rupee, 2 Rupee and 5 Rupee coins. Kartik first goes to the grocery shop to buy vegetables. At the grocery shop he gives half of his 5 Rupee coins in return receives the same number of 1 Rupee coins. Next he goes to the dairy shop to buy milk and butter and gives all 2 Rupee coins and in return get thirty 5 Rupee coins, which increase the number of five rupee coins by 75% more than the original number. If the number of 1 rupee coins now is 50, the number of 1 rupee and 5 rupee coins originally were:
Correct Answer : D
From a cask of milk containing 30 litres, 6 litres are drawn out and the cask is filled up with water. If the same process is repeated a second, then a third time, what will be the number of litres of milk left in the cask?
How many keystrokes are needed to type numbers from 1 to 1000 on a standard keyboard?
How many three digit numbers can be formed using the digits 1,2,3,4,5,6,7 and 8without repeating the digits and such that the tens digit is greater than the hundreds digit and less than the units digit?