How is a fly different from a mosquito?

How many letters are in the alphabet?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

Find out the number of circles in the given picture having Illusion

Identify the 10 differences between the two given pictures.

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

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?

what's the probability of getting a king or a queen from a pack of 52 cards?

Which country gets ill every time?