Mathematical Problems

So you did well at Maths in school? How do you go with these mathematical brain teasers?

Total matches: 14
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Where is the father?A mother is 21 years older than her child. In 6 years time, the mother will be 5 times ol... more>>>4 stars
What is the sixth number?It is said that designers take 10 seconds to resolve this, engineers take 3 minutes, architects 3... more>>>4 stars
TrianglesWhich triangle has a bigger area:  A. A triangle with sides measuring 300, 400, and... more>>>3.5 stars
The biggest areaA farmer challenges an engineer, a physicist, and a mathematician to fence off the largest amount... more>>>4 stars
Solved by preschoolers in 5 mins8809 = 6 7111 = 0 2172 = 0 6666 = 4 1111 = 0 3213 = 0... more>>>4 stars
Socks in a drawerThere are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minim... more>>>3.5 stars
Red and Blue MarblesYou have two jars, 50 red marbles and 50 blue marbles.   A jar will be picke... more>>>4 stars
Overlapping clock handsHow many times do the two hands on a clock overlap every day?  ... more>>>4 stars
Measuring water... more>>>4 stars
How would you weigh an aeroplaneA common brain teaser used in some job interviews... how would you weigh an aeroplane without sca... more>>>3.5 stars

Total matches: 14
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