In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Can you make four (4) nines (9) equal 100?

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

If an electric train is travelling south, then which way is the smoke going?

Find the next number in the sequence

5 12 24 36 ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?