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

How many Watermelons are there in the below picture?

How many triangles are there on the puzzle below?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

what one word does the below rebus identifies?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?