If the income of Company A in 2007 and that in 2008 were equal and the amount invested in 2007 was Rs. 12 lakh, what was the amount invested in 2008?

A. Rs. 1087500

B. Rs. 1085700

C. Rs. 1245000

D. Rs. 1285000

E. None of these

Answer: Option A

Solution(By Examveda Team)

$$\eqalign{ & \text{Investment of A in 2007} \cr & = \text{Rs. 12 lakh and profit%} \cr & = 45\% \cr & \text{Income of A in 2007} \cr & = \text{Rs.}\left(\frac{145}{100}\times12\text{ lakh}\right) \cr & = \text{Rs. 17.4 lakh} \cr & \text{Amount invested by A in 2008} \cr & = \text{Rs.}\left(\frac{100}{160}\times17.4\text{ lakh}\right) \cr & = \text{Rs.}\left(10.875\times100000\right) \cr & = \text{Rs. 1087500} \cr} $$