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What will come in place of the question mark (?) in the following number series ?

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What will come in place of the question mark (?) in the following number series ?


319, 320, 347, 472, 815, ?
1). 1322
2). 1265
3). 1435
4). 1148


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2 answers

2 vote
Answered by on | Votes 2 |
Solution

Cubes of consecutive odd natural numbers are added

319 + $1^3$ = 320

320 + $3^3$ = 347

347 + $5^3$ = 472

472 + $7^3$ = 815

815 + $9^3$ = 1544

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2 vote
Answered by on | Votes 2 |
Solution

Cubes of consecutive odd natural numbers are added

319 + $1^3$ = 320

320 + $3^3$ = 347

347 + $5^3$ = 472

472 + $7^3$ = 815

815 + $9^3$ = 1544




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