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Brainy Puzzles
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5,8,13,?,34,55,89 Find the missing number

Missing number is 21

5,8,13,?,34,55,89

5+8=13

34+55=89

so, 8+13=X

X = 21

In the given sequence,in order to get a number we need to add previous two numbers.

>> 5,8,13,21,34,55,89


PIYUSH KUSHWAHA
PIYUSH KUSHWAHA • Sep 5, 2019

@Aswini cse .. good job... Or you can subtract the previous two number to get your answer... Like 89-55=34, 55-34=21, 34-21=13, 21-13=8, 13-8=5.... :P

Missing number is 21

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