A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

The more you take me, the more you leave me behind.
Who Am I?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Can you find the key in the picture below?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?