Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

What word is pronounced the same if you take away four of its five letters?

What's the only room from which no one can enter or leave

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Which tank will fill first?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Which word does the below Plexor means ?