Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.
Count the number of triangles in the below picture?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).
But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?
The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?
As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?
A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.
In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?
In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?
This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?
Replace the (?) with the correct mathematical signs to make the expression equal to 59.
18 ? 12 ? 4 ? 5 = 59
While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:
'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.