Can you find a five letter word that is left with only two letters if one is removed?

Find the next number in the following series:
6, 14, 26, 98, __?

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

O T T F F S S ?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

What always comes into a house through the keyhole?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Can you find the six hidden animals in the picture below?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?