25.
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If b equals 10% of a and c equals 20% of b, then which one of the following equals 30% of c?
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A.
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0%
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B.
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5%
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C.
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10%
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D.
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40%
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Answer – (D)
Solution:
b = 10% of a = (10/100)*a=0.1a
c = 20% of b = (20/100)*b=0.2b=0.2*0.1a
Now, 30% of c = (30/100)*c=0.3c=(0.3)(0.2)(0.1a)=0.006a=0.6%a
The answer is (D).
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Title : Compound Interest Q25
Description : 25. If b equals 10% of a and c equals 20% of b, then which one of the following equals 30% of c? A. 0% B. 5% C. 1...
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