Can you find out which number multiplied by itself will give the output as 12345678987654321?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Which fur should we be getting from the Lion?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Can you spot the man between the coffee bean in the picture below ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you find the odd number in the following?

2716, 4135, 5321 and 7145