Tom is chasing Jerry again! Jerry can run at 1 metre/sec, but Tom can run at 1.5 metres/sec.Tom, being a stupid cat, runs into a 3-metre long sofa and takes 3 seconds to wriggle out. Jerry’s mouse hole is 2 metres away from the other end of the sofa.If Jerry runs under the sofa 1 […]

There are two cakes for Little Choc’s birthday party. One of them is Chocolate (C) and the other is Vanilla (V). Little Choc and his 7 other guests will each get one slice of C and one slice of V.Since Little Choc loves chocolate, and it is his birthday, he proposes a slight change: rather

Suppose I am a grandfather. My grandson is about as old in days as my son is in weeks. He is also as many months old as I am in years. Together, the three of us are 140 years old. How old am I? AnswerAs noted, all three are 140 years old. Thus, a+b+c=140, where

There was a famous mathematician named Karl Friedrich Gauss. When he was young, he entered Gotinga University. One day, he met an old professor, and spoke to him. They chatted, and the professor asked Gauss about his age.Gauss said: “The cube and the fourth power of my age contain each digit from 0 to 9

Five actors, Billy Hunt, Ryan McCrazy, Jimmy Lymmon, Lauren Fender and Rosanna Folia, are shooting a scene in a new movie. Billy managed to do the scene correctly in 5 takes, then in every 7th take afterwards. Ryan managed to do the scene perfectly in the first take, but then he lost his touch and

A butcher had a number of legs of lamb to chop up. He chopped each leg into 11 pieces. He chopped at the rate of 45 strokes per minute. How many legs would he chop in 22 minutes? Answer99 legs.Explanation: Each leg is chopped 10 times. 22 multiplied by 45 equals 990. 990 divided by

Sarah, Daniel and Megan had a contest to see who could bike the most miles. Together Sarah and Daniel biked 21 miles. The combined total for Sarah and Megan was 19. Together Megan and Daniel rode 22 miles.Who was the winner? AnswerDaniel is the winner.Sarah = 9 milesMegan = 10 milesDaniel = 12 milesSet up

One day, a knight went to the legendary kingdom named Breadland. The Breadlanders love eating bread. They also play chess. What’s different from normal chess is that the chessboard they use is 9×7; each player has a queen on each side of the king; one is next to the king and the other is between

A bricklayer has 9 bricks. 8 bricks weigh the same amount, but one brick is slightly heavier than the rest. The bricklayer wants to find the heavy brick. He has a balance scale. How can he find the heavy brick in only two weighings? AnswerHe should divide the bricks into 3 groups of 3. He

Three friends planned to race against one another on their bikes. Neil owned a good racing bike and had lots of experience (he belonged to a bike club), while Oscar had just learnt to ride. The race seemed unfair, to say the least. After much discussion, they came up with a solution that seemed to

A man was called forth from his cubicle to perform a time-honoured task: get lunch.His boss, Medster, told him to get a certain number of salads and bagels. A salad costs $1.10, and a bagel costs $1.50. Medster gave him $32.10, the exact amount needed to buy all the items for 23 people (one item

Checkers, the smartest dog in the world, was doodling in his Maths diary and come up with three equations:A-B=CD/E=FG+H=IHe was about to write a fourth equation using multiplication when an interesting thought occurred to him. Instead of using a new set of numbers (J, K, L) for his fourth equation, he would use the answers

The mother is 21 years older than the child.6 years from now, the mother will be 5 times as old as the child.Question : Where is the father? AnswerThe mom is 21 years older than the child, so…M = C + 21In 6 years from now the mom will be 5 times as old as

Every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines. How many students are in the class? Answer18 students

Daniel, my son, is exactly one-fifth of my age. In 21 years’ time, I will be exactly twice his age. My wife is exactly seven times older than my daughter, Jessica. In 8 years’ time, my wife will be three times older than Jessica. How old are Daniel and Jessica now? AnswerDaniel is 7 years