What is next number in the pattern below:

131 517 192 123 ?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

How many Watermelons are there in the below picture?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I am quite hot but become too cold if you remove the first two letters. What am I?

What makes this number unique: 8,549,176,320?