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Question
Find the missing number:3,15,35,?,99,143
3,15,35,?,99,143
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Solution
The correct option is A 63
Option (A) is the correct answer
Explanation:
The series is square of even number subtracted by 1
2×2−1=3
4×4−1=16−15
8×8−1=64−1=63 is the correct answer.
10×10−1=99
12×12−1=144−1=143
Option (A) is the correct answer
Explanation:
The series is square of even number subtracted by 1
2×2−1=3
4×4−1=16−15
8×8−1=64−1=63 is the correct answer.
10×10−1=99
12×12−1=144−1=143
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