Find the next number in the sequence

1, 2, 6, 21, 88, __?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

How many sides does a circle have?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you fill the blank with the correct number?

6 30 870 756030 _____

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.