7. Simple interest on Rs. 1680 for 4 yr at 7% per annum
is equal to the simple interest on Rs. 1200 at 7% per
annum for a certain period of time. The period of time
is
(a) 7 yr
(b) 6 yr (c) 5 1/3y (d) 7 1/3YT
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Answer:
answer is d
Step-by-step explanation:
d 51/3y is the answer of this question
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