What occurs twice in a week, once in a year but never in a day?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What number do you get when you multiply all of the numbers on a telephone's number pad?

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

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?

Buy me, smell me or deliver me, I do not change.

Who am I?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?