What question can you never answer yes to?

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

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

You can see three almost identical images below. Can you spot the odd one out from them?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

What do you get if you add 2 to 100 four times?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?