Can you count the number of triangles in the given picture?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

What is more useful when it is broken?

What is both possible and impossible at the same time?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?