What is the next number in this series?

4,12,84,3612....

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What jumps when it walks and sits when it stands?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?