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Engineering
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6. | If 20% of a = b, then b% of 20 is the same as? | ||
A. | 4% of a | ||
B. | 5% of a | ||
C. | 20% of a | ||
D. | None of Above | ||
8. | Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B. | ||
A. | 2 : 3 | ||
B. | 1 : 1 | ||
C. | 3 : 4 | ||
D. | 4 : 3 | ||
9. | A student multiplied a number by 3/5 instead of 5/3. | ||
What is the percentage error in the calculation? | |||
A. | 34% | ||
B. | 44% | ||
C. | 54% | ||
D. | 64% | ||