In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

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

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?