I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

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

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you start the fire using two pieces of wood?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

There is a place where if I stand up straight, I will still be considered sideways.