Question

Fill the missing no. in the series

15, 16, 18, 21, 25, 30, x

a) 36

b) 35

c) 37

d) 38​

Answer 1

Answer:

36

Step-by-step explanation:

if u see the difference between numbers are in form of gap 1 and2 and3 etc

Answer 2

15+1=16

16+2=18

18+3=21

21+4=25

25+5=30

30+6=36

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