What Adam and Eve do not have but the rest of the people have?

What kind of band never plays music?

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.

Who always enjoys poor health?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

what does this below rebus represent identXQQQQQME

A man dies of old age on his 25 birthday. How is this possible?