Take away the whole and some still remain. What is it?

What can you see in the middle of March and April that you can never see in any other month?

Can you place six X (crosses) in below board without making three in a row in any way ?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?