Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

Which Number is the odd one out?

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

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Can you replace the question mark with the correct number in the below table sequence?

The centre of the third figure is empty. What digit should fit inside?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?