Solve the following series:
AZ, GT, MN, __, YB

Our product and our sum always give the same answer. Who are we?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

I have feet, but no legs. Which animal Am I?

Why is the Hole below a Lock?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Bay of Bengal is in which state?