RRB NTPC CBT-1 practice question
What should come in place of the question mark (?) in the given series? 12 18 30 48 72 ?
From a RRB NTPC CBT-1 Reasoning practice set · Reasoning
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Correct answer: (D) 102
The differences between terms are 6,12,18,24, increasing by 6 each time, so the next difference is 30, giving 72+30=102.
हिंदी में प्रश्न
दी गई श्रृंखला में प्रश्न-चिह्न (?) के स्थान पर क्या आना चाहिए? 12 18 30 48 72 ?
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उत्तर और व्याख्या देखें
सही उत्तर: (D) 102
पदों के बीच अंतर 6,12,18,24 है, जो हर बार 6 बढ़ता है, अतः अगला अंतर 30 होगा, यानी 72+30=102.
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