Measuring Oil

A boy went to an oil shop to buy oil with two bottles. One bottle of 5lts and the other of 3lts. Unfortunately the shop keeper didn't have the measuring vessel. The boy wanted 4lts of oil. How can the 4lts be measured using the bottles in the hand of the boy ?

Fun Numbers Part 3

One in numbers make it fun for its operations. Multiply one with any number the result will be the number itself same for the operation division also.. Let us check some operations with 1.

Cube of 3 digit numbers

Cube of 3 digit number

One easy method to find the cube of a 3 digit number.  let me put an example 462 ³

Squaring 3 digit numbers ending in 1

There is a short cut method for squaring 3 digit numbers ending in 1 rather than going for normal multiplication. If you can practice a bit with this method then you can square such numbers in mind itself. Let me explain the method with an example.

Arrange the Pebbles

A man had 1000 pebbles. These pebbles where given to him by his son for safe custody. The man planned to keep the pebbles in 10 bags and mark the number of pebbles in it, on the bag. He wants to fill the 10 bags so that if his sons asks for any number of pebbles randomly from 1 to 1000, he can return without opening the bags. How can the man arrange the number of pebbles in each bag to meet the requirement?

Squaring of 3 digit numbers ending in 5

Let me explain the easier method for squaring 3 digit numbers ending in 5 with an example:

Can you solve this

One for the clever people!
Please look at the math below: They say only people with an IQ with 120 and over are able to figure this out (?)
 
If:
2 + 3 = 10 
7 + 2 = 63
6 + 5 = 66
8 + 4 = 96
 
Then:
 
9 + 7 = ????