What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I have branches, but no fruit, trunk or leaves. What am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Why Wine Glass Stem is so long?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Can you place three balls such that the equation shown in the picture holds true?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Identify the 10 differences between the two given pictures.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?