Question

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Answer (Detailed Solution Below)

Option 1 : 840 / 840

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Detailed Solution

सही उत्तर 840 / 840 है।

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Question:

Find the missing term in the series: 7, 14, 42, 168, ? / श्रृंखला में लुप्त पद ज्ञात कीजिए: 7, 14, 42, 168, ?

1.
840 / 840
2.
672 / 672
3.
504 / 504
4.
1008 / 1008

Correct Answer: 840 / 840

Multiply successively by 2, 3, 4, 5: $7 \times 2 = 14$, $14 \times 3 = 42$, $42 \times 4 = 168$. Next = $168 \times 5 = 840$. / क्रमशः 2, 3, 4, 5 से गुणा करें: $7 \times 2 = 14$, $14 \times 3 = 42$, $42 \times 4 = 168$। अगला = $168 \times 5 = 840$।

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