Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

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?

Who are the happiest people in IPL match?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

I look at you, you look at me I raise my right, you raise your left. What am I?

What does this rebus mean?

O
N
C
E
TIME

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.