| Direction: What will come in place of the question mark (?) in the following number series. | |||||
| 10 | 12 | 18 | 30 | 50 | ? |
A) 88
B) 78
C) 80
D) 74
E) 70
Correct Answer: C
Solution :
The pattern is : \[\,10+1\text{ }\times 2=10+2=12\] \[12+2\times 3=12+6=18\] \[18+3\times 4=18+12=30\] \[30+4\times 5=30+20=50\] \[50+5\times 6=50+30=\]
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