| Direction: What will come in place of the question mark (?) in each of the following number series? | |||||
| 7 | 20 | 58 | 171 | ? | 1522 |
A) 515
B) 526
C) 490
D) 485
E) 509
Correct Answer: E
Solution :
The pattern is : \[7\times 3-1=\text{ }21-1=20\] \[20\times 3-2\text{ }=\text{ }60-2=58\] \[58\times 3-3=\text{ }174-3=\text{ }171\] \[171\times 3-4=\text{ }513-4=\] \[509\times 3-5=1527-5=1522\]
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