Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A bomb exploded in a room full of married couples and no one died. How?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

Can you find out the remainder when 3^300 is divided by 5?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is red and smells like blue paint?

Decode below rebus
D
N
A
T
S , D

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?