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In a compound, the ratio of carbon and oxygen is 1 : 4. Find the percentage of carbon in a compound?

A20 %

B16 %

C10 %

D5 %

Answer:

A. 20 %

Read Explanation:

Percentage of carbon = (Value of carbon/ sum of ratio) × 100 Sum of the terms of ratio = 1 + 4 = 5 Percentage of carbon = (1/5) × 100 ⇒ 20%

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₹ 21,000 is divided among A, B and C in such a way that the shares of A and B are in the ratio 2 : 3, and those of B and C are in the ratio 4 : 5. The share of B is:
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