| Direction: What will come in place of question mark (?) in the given number series? |
| 47 49 102 ? 1256 6290 |
A) 212
B) 109
C) 175
D) 312
E) 315
Correct Answer: D
Solution :
The series is \[\times 1+2,\times 2+4,\times 3+6,\times 4+8,\times 5+10,....\] ie \[47\times 1+2=49,49\times +4=102,\] \[102\times 3+6=312,312\times 4+8=1256,\] \[1256\times 5+10=6290,\]
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