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Q.
What will come in place of the question mark (?) in the following number series? 5 7 ? 25 45 75
A.
11
B.
13
C.
15
D.
19
View Answer
Correct choice: D
Explanation:
The series given follow the pattern +2, +2+4, +2+4+6, +2+4+6+8, +2+4+6+8+10,... Here ? = 7 + 2 + 4 = 13.
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