A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

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

O T T F F S S ?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

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

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

How many triangles are there on the puzzle below?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?