You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

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

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

How do you go from 98 to 720 using just one letter?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???