Subject
Quantitative Aptitude
Topic
Percentage
Tk. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is:
Tk. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is:
ক)
Tk. 4800খ)
Tk. 5000গ)
Tk. 5400ঘ)
Tk. 5600Explanation
Let the investment in 9% stock be Tk. x. Then, investment in 10% stock = Tk. (9800 - x). (9/75) x x = (10/80) x (9800 - x) => 3x/25 = (9800 – x)/8 => 24x = 9800 x 25 - 25x => 49x = 9800 x 25 => x = 5000.Related questions
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