If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Can you find the 09 errors in the picture below?

What number when divided in half becomes zero?

10+10 and 11+11 can give you the same answer.

Explain how?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

Next Number in the Series,

5, 16, 49, 104, ?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1