Rohan's income doubles after every one year. If the initial income was Rs. 4 lakhs, What would be the income after 6 years? Choose the correct choice from the following choices.
A) Rs. 2.76 crores	B) Rs. 2.51 crores	C) Rs. 2.56 crores	D) Rs. 2.57 crores	E) Rs. 2.36 crores
Explanation:   Income after 1 year = Rs. (4 * 21) lakhs   Income after 2 years = Rs. (4 * 2 * 2) lakhs = Rs. (4 x 22) lakhs   Income after 6 years = Rs. (4 * 26) lakhs = Rs. 256 lakhs = 2.56 crores.   ANSWER: Rs. 2.56 crores
<result>C</result>
Rohan's income doubles after every one year. If the initial income was Rs. 4 lakhs, What would be the income after 6 years?