In following number series, two terms have been put within brackets. Choose the appropriate option
3 13 18 23 28 33What number should come next?
Option:
A. 39 44
B. 38 44
C. 38 43
D. 37 42
E. 33 38
Answer: C . 38 43
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Justification:
In this simple addition series, each number is 5 greater than the previous number.
Rule = (1st no) (1st no + 5 = 2nd no) (2nd no + 5 = 3rd no) . . .
Now (3) (3 + 5 = 8) (8 + 5 = 13) (13 + 5 = 18) (18 + 5 = 23) (23 + 5 = 28) (28 + 5 = 33) (33 + 5 = 38) (38 + 5 = 43)
So the answer is c = 38 43
