Brain Teasers: Some Maths logic & Teasers – Fun with Kids

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Brain Teasers
Brain Teasers

Brain Teasers

A ship anchored in a port has a ladder which hangs over the side. The length of the ladder is 200 cm, the distance between each rung in 20 cm and the bottom rung touches the water. The tide rises at a rate of 10 cm an hour. When will the water reach the fifth rung?

** The tide raises both the water and the boat so the water will never reach the fifth rung

Two girls were born to the same mother, at the same time, on the same day, in the same month and in the same year and yet somehow they’re not twins. Why not?

** Because there was a third girl, which makes them triplets

What word looks the same backwards and upside down?


There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?

** 141

There is a basket containing 5 apples, how do you divide the apples among 5 children so that each child has 1 apple while 1 apple remains in the basket?

** 4 children get 1 apple each while the fifth child gets the basket with the remaining apple still in it

Which 3 numbers have the same answer whether they’re added or multiplied together?

** 1, 2 and 3

Sally is 54 years old and her mother is 80, how many years ago was Sally’s mother three times her age?

** 41 years ago, when Sally was 13 and her mother was 39

Using only addition, how do you add eight 8’s and get the number 1000?

** 888 + 88 + 8 + 8 + 8 = 1000

I am an odd number. Take away one letter and I become even. What number am I?

** Seven (take away the ‘s’ and it becomes ‘even’)

If there are 4 apples and you take away 3, how many do you have?

** You took 3 apples so obviously you have 3

Where do fish keep their money?

** In the river bank

Two fathers and two sons go fishing. Each of them catches one fish. So why do they bring home only three fish?

** Because the fishing group comprises a grandfather, his son, and his son’s son – hence just three people

I add five to nine, and get two. The answer is correct, but how?

** When it is 9 am, add 5 hours to it and you will get 2 pm

What weighs more – a pound of iron or a pound of feathers?

** Both would weigh the same weight unit remains same, irrespective of the object

If a rooster laid 13 eggs and the farmer took eight of them and then another rooster laid 12 eggs and four of them were rotten, how many of the eggs were left?

** Roosters don’t lay eggs

If you like these riddles, do not forget to share with friends and family.


Related Topics: Riddles – Some Old though Good. Can you Solve It?



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