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Maths Puzzles Questions for Kids

19. What number should replace the question mark?

Ans: 8
Sol.
The top number is the product of the bottom numbers is divided by 15.
 
20. What comes next in this series?
ANS: 5040
Sol.
Multiply each number by 2, 3, 4, 5 and 6 and (finally) 7.
 
 
21. Which number completes the chain?
Ans: 13
Sol.
Moving clockwise, eacn segment equals the sum of the previous two segments.