I have branches, but no fruit, trunk or leaves. What am I?

Count the Triangle in the figure given below:

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

There was a strange boy who was born before his father. How can this be possible?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

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

Solve the puzzle by telling what does below picture means.

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Which is heavier: a ton of bricks or a ton of feathers?

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

O T T F F S S ?