what's the probability of getting a king or a queen from a pack of 52 cards?

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

What has hands, but can’t clap?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

What has 88 keys?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?