How many times in a given day, minutes and hour clock comes in a straight line ?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

What can you hold in your right hand, but never in your left hand?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Can you find the 09 errors in the picture below?

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?

Find the number of squares in the below picture

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

Identify the 10 differences between the two given pictures.