New Workshop on Job Profile of RBI Grade B Officer by Susheel Ragade sir
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Question

What will come next in the place of question mark (?) in the following given number series:

9 10 6 15 -1 ?

A 35 Correct Answer Incorrect Answer
B 25 Correct Answer Incorrect Answer
C 24 Correct Answer Incorrect Answer
D 26 Correct Answer Incorrect Answer
E 34 Correct Answer Incorrect Answer

Solution

9 + 1² = 10 10 - 2² = 6 6 + 3² = 15 15 - 4² = - 1 -1 + 5² = 24

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