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Question

1.
2.
3.
4.
Answer (Detailed Solution Below)

Option 2 : 342 / 342

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Detailed Solution

सही उत्तर 342 / 342 है।

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PrepSnapprepsnap.in • Part -A

Question:

Find the missing number. 12 : 156 :: 18 : ? / लुप्त संख्या ज्ञात करें। 12 : 156 :: 18 : ?

1.
324 / 324
2.
342 / 342
3.
334 / 334
4.
340 / 340

Correct Answer: 342 / 342

12 × 13 = 156, i.e., n × (n+1). So 18 × 19 = 342. Option (a) 324 = 18² is the trap. / 12 × 13 = 156, अर्थात् n × (n+1)। अतः 18 × 19 = 342। विकल्प (a) 324 = 18² भ्रम है।

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