What happened when the wheel was invented?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Which number comes next in the number series?

2, 9, 30, 93, ?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

There is something which you can be arrested for attempting but not for successfully completing.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I