UP Police Constable Exam Model Paper 5

Question : 58 of 150

Marks: +1, -0

Select the missing number from the given series.

55,45,36,28,21, ?

Solution:

The pattern followed here is:

55-10=45

45-9=36

36-8=28

28-7=21

21-6=15

Hence, 15 is the correct answer.

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