Question

Find the missing term in the given series
4,5,12,39,$<b>?</b>$,805

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Answer 1

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Find the missing term in the given series

4 , 5 , 12 , 39 , ___ , 805.

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160

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❖The first term is 4

❖second term

( 4 × 1 )+ 1 = 5

❖ third term

(5 × 2) + 2 = 12

❖fourth term

(12 × 3) + 3 = 39

❖similarly fifth term will be

(39 × 4) + 4 = 160

❖ sixth term

(160 × 5) + 5 = 805.