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

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

What is the word or phrase below?
R | E | A | D

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

If an electric train is travelling south, then which way is the smoke going?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

If 21x = 79x, what is the value of x?

What has many keys but can’t open a single lock?