What is the next number in the series?

15 29 56 108 208 ?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

What is the Surname of Barbie Doll?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

You see me once in June, twice in November, and not at all in May. What am I?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?