Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you spot the man between the coffee bean in the picture below ?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?