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?

why number 8549176320 is one of a kind?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Which flower has two lips?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

Can you find the hidden animal in the picture below?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?