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Picture Puzzles Questions and Answers

Puzzles
45. What number should replace the question mark?
Ans: 18.
Sol.
Multiply the bottom numbers to obtain the numbers at the top, albeit they are at the top of a different pyramid.
 
 
46. What numbers should replace the question mark?
17, 4, 29, 13, 41, 22, 53, 31, ?
Ans: 65.
Sol.
There are two alternate sequences : +12 and +9.
 
47. In a right angled triangle what is the length of the hypotenuse if the two shortest sides are 10 and 24 cm respectively?
Ans: 26 cm.
Sol.
= 102 + 242
= 100 + 576 = 676.
√676 = 26(Pythagoras).