If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Can you write down eight eights so that they add up to one thousand?

What has one letter and starts with an E?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Before Mount Everest was discovered, what was the highest mountain in the world?

What does this mathematical rebus means ?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

No matter how little or how much you use me, you change me every month. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?