GATE2019 EE: GA-3

Question

The missing number in the given sequence $343,1331,$_____$,4913$ is

• A. $3375$
• B. $2744$
• C. $2197$
• D. $4096$ 

Answer 1

$343, 1331, \_\_\_\_\_,4913$

$=7^{3},11^{3},\_\_\_\_ ,17^{3},$

$\because 7,11,17$ are prime numbers

$\Rightarrow 13^{3} = 2197$ should be the answer. ($\because$ 13 is also a prime number and is the only prime between $11$ and $17)$

Correct Answer: Option C

Comments

@Satbir edit:- 7,11,7 to 7,11,17

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Complete the series 8, 27, 125, 343, 1331, 2197, * , 6859 super set of this problem.......... its help to understand problem..........

Answer 2

Answer will be

C: 2197