Number 4

Number Theory Level 1

What is the remainder when the 13th term is divided by 7?

3, 4, 6, 10, 18, 34...


The answer is 3.

Maxwell Johnson by Maxwell Johnson , 21, United Kingdom

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1 solution

Anuj Shikarkhane
Jun 21, 2014

13 term is 4098. so 4098/7. The remainder is 3

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how did u find out the 13th term of this series??

Sonali Srivastava - 6 years, 11 months ago

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This sequence is given by 2 + 2 n − 1 2+2^{n-1}

Manojkumar P - 6 years, 10 months ago

This sequence is given by 2 n + 1 { 2 }^{ n }+1 You can work it out using this.

Bill Bell - 6 years, 10 months ago

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This sequence is given by 2 + 2^{n-1}

You can work it out using this.

Manojkumar P - 6 years, 10 months ago

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