There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

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?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What word is pronounced the same if you take away four of its five letters?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

There are forty elephants and they have forty-fore heads. How can this be possible?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?