How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

I am white when I am dirty, and black when I am clean. What am I?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

what does the below rebus mean?

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?

Can you count the number of triangles in the picture below?

I’m tall when I’m young, and I’m short when I’m old. What am I?