There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Prove that the below maths equation is true.

8 + 8 = 91

Find the next number in the sequence

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

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

There is a place where if I stand up straight, I will still be considered sideways.

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Using Only Five 5's and any mathematical operator make sum as 37