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

O T T F F S S ?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What is the longest word in the dictionary?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

What Time Should the last watch show in the below figure?

Can you solve the below tricky visual equation?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Which is faster, Heat or Cold ? Explain.

Which alphabet is a part of our body?