Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
1331, 2197, ?, 6859
Option 1: 4913
Option 2: 5832
Option 3: 4096
Option 4: 3375
Correct Answer: 4913
Solution :
Given:
1331, 2197, ?, 6859
Find the cubes of the prime numbers (starting from 11) to obtain the missing term –
1331 = 11
3
; 2197 = 13
3
; 4913 = 17
3
; 6859 = 19
3
So, 4913 is the missing number of the series. Hence, the first option is correct.
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