Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What is the next number in the series?

15 29 56 108 208 ?

What can you deduce from the following BrainBat?

CRY
LMKI

Why Aeroplane windows are round?

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

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

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

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?