Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

Find the missing letter in the last circle logically in the given below picture.

What kind of band never plays music?

You need to move three matchsticks to form three squares. Can you do it?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

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?