What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

what one word does the below rebus identifies?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

What does it mean?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

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?

Our product and our sum always give the same answer. Who are we?

Find the next number in the series below

21 32 54 87 131 ?