6 | 15 | 35 |
77 | 143 | 221 |
323 | 437 | ? |
A) 657
B) 663
C) 667
D) 700
Correct Answer: C
Solution :
This is a series of numbers each number is obtained by multiplying the two successive prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23 etc. The number required is\[23\times 29=667\].You need to login to perform this action.
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