Tag: math & puzzles

It was Kathleen's first day at school. The teacher said, "When you meet, please shake hands and introduce yourself by name."If there were 14 children in the class, how many total handshakes were there?

Man Wrinkle spent one-fourth of his life as a boy, one-eighth as a youth, and one-half as an active man. If Man Wrinkle spent 10 years as an old man, then how many years did he spend as an active man?

Mr. Brown has 8 black gloves and 6 brown gloves in his closet. He blindly picks up some gloves from the closet. What is the minimum number of gloves Mr. Brown will have to pick to be certain to find a pair of gloves of the same color?

Glenn and Jason each have a collection of tennis balls. Glenn said that if Jason would give him 9 of his balls they would have an equal number; but, if Glenn would give Jason 9 of his balls, Jason would have 4 times as many balls as Glenn. How many balls does Jason have?

Bodo weighs 100 pounds more than his sister Barbara. Their combined weight is 120 pounds. How many pounds does Bodo weigh?

A painting job can be completed by 5 painters in 13 days. If 5 more painters join the team 3 days after starting work on the job, then how many more days are required to complete the job?

There is a number that is 3 times the sum of its digits. What is this number?

A 34" x 34" square metal plate needs to be fixed by a carpenter on to a wooden board. The carpenter uses nails all along the edges of the square such that there are 35 nails on each side of the square. Each nail is at the same distance from the neighboring nails. How many nails does the carpenter use?