What is black when you buy it, red when you use it, and gray when you throw it away?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

Take away the whole and some still remain. What is it?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

What word begins and ends with an E, but has only one letter?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

What kind of tree can you carry in your hand?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?