Complete the following series:
9, 11, 15, 23, 39, ?निम्नलिखित श्रेणी को पूरा कीजिए:
9, 11, 15, 23, 39, ?
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Correct answer: A. 71
Explanation
Differences are 2, 4, 8, 16, so each one doubles. Next difference = 32, so 39 + 32 = 71.अंतर 2, 4, 8, 16 हैं, यानी हर बार दोगुना। अगला अंतर = 32, अतः 39 + 32 = 71।More Mathematical Reasoning and Aptitude questions
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