As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Count the Triangle in the figure given below:

Why do you find that most of the buildings are deprived of the 13th floor?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

What kind of band never plays music?