Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.
What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?
I have branches, but no fruit, trunk or leaves. What am I?
Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?
What number do you get when you multiply all of the numbers on a telephone's number pad?
Which is the smallest number that you can write using all the vowels exactly once?
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
I am never scared but became petrified and can’t live in a house but would die to make one. What am I?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
In particular commonwealth games, a female participant won silver and gold medals for a single event. How can this be possible?
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.
