When it's bad luck to meet a black cat?

John is now two fifth of his older brother's age and two years from now he will be half of his older brother's age.
Two years ago, John was only one-fourth the age of his older brother age at that time.

How old is John now?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

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?

What does this rebus riddle mean?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What does this rebus mean?

O
N
C
E
TIME

Identify the meaning hidden in the rebus below.

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Can you name some countries which do not have the alphabet 'A' in them?