Solve The below Equation:

ALFA + BETA + GAMA = DELTA

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

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Replace the question mark with the correct number.

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

What is the word or phrase?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Can you place six X (crosses) in below board without making three in a row in any way ?

What does this Rebus Picture means ?