| DIRECTION: In each of the following questions a number series is given with one wrong number. Find that wrong number. |
| 2 3 6 15 45 156.5 630 |
A) 156.5
B) 45
C) 15
D) 6
Correct Answer: A
Solution :
[a] The series is \[\begin{align} & Rs.\left( 4x+\frac{3x}{2}+\frac{4x}{4} \right)=Rs.216 \\ & \Rightarrow \,\,\,\frac{8x+6x+4x}{4}=216 \\ & \therefore \,\,\,x=48 \\ & \\ \end{align}\]and so on.
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