55.
|
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?
|
A.
|
Rs. 4000
|
B.
|
Rs. 4500
|
C.
|
Rs. 5500
|
D.
|
Rs. 6000
|
|
Answer: Option A
Explanation:
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.
