Find the next number in the series?

Level pending

1,5,19,65,.....


The answer is 211.

Sanath Balaji by Sanath Balaji , 22, Singapore

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2 solutions

The sequence is ×3+2, ×3+4, ×3+8,...

Therefore next term is 65 × 3 + 16 = 211 65×3+16=\boxed{211} .

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Same Way! (+1)

Samara Simha Reddy - 5 years ago
Sanath Balaji
Jun 1, 2016

T h e n t h t e r m o f t h e s e r i e s i s o f t h e f o r m , t n = 3 n − 2 n t 5 = 243 − 32 = 211 The\quad { n }^{ th }\quad term\quad of\quad the\quad series\quad is\quad of\quad the\quad form,\\ { { t }_{ n } }^{ }={ 3 }^{ n }-{ 2 }^{ n }\\ { t }_{ 5 }=243-32=211

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