There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Can you find the 09 errors in the picture below?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Solve below rebus puzzle?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Which fur should we be getting from the Lion?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?