67.A
and B started a business jointly. A’s investment was thrice the investment of B
and the period of his investment was two times the period of investment of B.
If B received Rs. 4000 as profit, then their total profit is:
[A]
Rs. 16,000
[C]
Rs. 24,000
[B]
Rs. 20,000
[D]
Rs. 28,000
Answer : [D]
Explanation :
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Suppose
B invested Rs. x for y months. Then, A
invested Rs. 3x for 2y months.
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So,
A : B = (3x x 2y) : (x x y) = 6xy =
6 ; 1.
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B’s
proft : Total profit = 1 : 7.
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Let
the total profit be Rs. x. Then,
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=
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or x =
28000.
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