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in Number System by (37.4k points)
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1, 6, 16, 31, 51, 76 ……………..

(a) 95 

(b) 86 

(c) 91

(d) 106

1 Answer

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by (37.8k points)
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Best answer

Correct option is (d) 106

1, 6, 16, 31, 51, 76, ………….. 

1, (1 + 5), (6 + 10), (16 + 15), (31 + 20), 

(51 + 25), (76 + 30), …………… 

∴ So, next number is (76 + 30) = 106.

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