Chris and Jill were married. On their marriage day, Chris was three times as old as Jill. 21 years later, Chris was only 2 times as old as Jill. What was their age when they were married?Hint: c= Chris’ age at marriagej= Jill’s age at marriage c = 3j at marriagec + 21 = 2j […]

A man goes into a store one day, and says to the cashier, “If you can match and give me what I have in my pocket, I will spend $10 in your store.”The cashier matched and gave the man the money, and the man spent $10. The man then went to another store, said the

In the month of May, the mathematician Maria Gaerana was born in Italy. Maria was a gifted child who spoke more than a dozen languages by age nine. Her love, however, was mathematics, and even in a time when women were not educated, she became famous for her published books on mathematics. Solve the following

Adoontourious wanted to run the shore-to-shore marathon next month, a 26-mile race from one side of the island, where he lived, to the other. He decided to work up the 26 miles by running five days a week for the next five weeks. Each day he’d run one mile longer than he did the day

A local school teacher wanted to share 703 sweets equally among the pupils. If there were more than 20 pupils, how many sweets did each receive? Answer19 sweets for the 37 pupils.Besides 1 and 703, 19 and 37 are the only factors of 703.

Gazza went to the electricity shop to get stuff for his new house. He needed 5 items—a stereo, a cooker, a TV-set, a washing machine and a tumble dryer. Each item was priced exactly to the pound and no two items cost the same. If Gazza had only 349 pounds to spend, what is the

You have two very hungry termites and two sticks of wood. One stick of wood is 12 inches long and the other is 16 inches long. One termite can eat sticks at the rate of 1 inch every 3 minutes. The other termite can eat 1 inch in 4 minutes. How would you use the

A farmer must spend exactly $100 to buy exactly 100 animals, and must buy at least one of each animal. Cows are $10 each, Goats are $1 each and Chickens are 8 for a $1. What does he buy? Answer7 Cows, 21 Goats and 72 Chickens.

The distance between Station Atena and Station Barcena is 78 miles. A train starts from Atena towards Barcena. A bird starts at the same time from Barcena straight towards the moving train. On reaching the train, it instantaneously turns back and returns to Barcena. The bird makes these journeys from Barcena to the train and

A bat ate 1050 mosquitoes in four nights. Each night she ate 25 more than the night before.How many mosquitoes did the bat eat each night? AnswerThe bat ate 225 mosquitoes on the first night, 250 on the second night, 275 on the third night, and 300 on the fourth night.Let x represent the number

Your favourite chocolate bar is having a special promotion, buy 10 get 1 free! To get a free bar, simply collect 10 wrappers and turn them in for 1 free bar. What fraction of a bar is each wrapper worth? AnswerEach wrapper is worth 1/9 of a bar.10 wrappers are worth 1 free bar, so

Arrogant Arnold and Witty Will are brothers. One day, they were going from New Jersey to Florida. Bored, they decided to ask each other brain teasers. After a while, they got bored with this, so Arnold decided to place a bet. He would ask Will one teaser, which he thought was very hard. If Will

Gretchen and Henry were looking to buy a house together, and finally found one with a beautifully landscaped yard, plenty of bedrooms, and a beautiful tree out in the front. They asked the owner how old the house was, and this was his reply:“I planted that tree when the house was built. It was 7

10 factories produce sugar cane. The second produced twice as much as the first. The third and fourth each produced 80 more than the first. The fifth produced twice as much as the second. The sixth produced 40 more than the fifth. The seventh and eighth each produced 40 less than the fifth. The ninth

There is a rubber band that is looped around an immovable steel rod. It is three inches long. At the fixed end is a spider. He starts walking along the rubber band at the rate of one inch per minute.A minute after he had started, the rubber band is stretched by three inches. The spider