Sakshi invests a part of Rs. 12,000 in 12% stock at Rs. 120 and the remainder in 15% stock at Rs. 125. If his total dividend per annum is Rs. 1360, how much does he invest in 12% stock at Rs. 120?
Choose the correct choice from the following: A) Rs. 4000 B) Rs. 4500 C) Rs. 5500 D) Rs. 6000 E) Rs. 7000
Let investment in 12% stock be Rs. x.   Then, investment in 15% stock = Rs. (12000 - x).   12	x x +	15	x (12000 - x) = 1360.   120	125   x	+	3	(12000 - x) = 1360.   10	25   5x + 72000 - 6x = 1360 x 50   x = 4000.   Rs. 4000NSWER:Rs. 4000
<result>A</result>
Sakshi invests a part of Rs. 12,000 in 12% stock at Rs. 120 and the remainder in 15% stock at Rs. 125. If his total dividend per annum is Rs. 1360, how much does he invest in 12% stock at Rs. 120?