Can you find the key in the picture below?

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

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

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 is the next number in this matchsticks series riddle?

Why is it very easy to weigh a fish?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Who are the happiest people in IPL match?

I have Rs.50 and I spend it in the way as below.

I can be cracked, made, told, and played. What am I?