If the weight of A is 4 kg- What is the average weight of A - B - C and D -A- 7 kgB- 13 kgC- 9 kgD- 14 kgE- 11 kg

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Averages

If the weight...

Question

If the weight of A is 4 kg. What is the average weight of A, B, C and D?

7 kg

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13 kg

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9 kg

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14 kg

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11 kg

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Solution

The correct option is B 13 kg
Solution: Option (b)

Total weight of A, B, C and D = {x + (x +3) + (x + 9) + (x + 12)} = {4x + 36}

Average weight = = x + 9 = 13 kg when x = 4 kg.

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If the weight of A is 4 kg. What is the average weight of A, B, C and D?

The correct option is B 13 kgSolution: Option (b) Total weight of A, B, C and D = {x + (x +3) + (x + 9) + (x + 12)} = {4x + 36} Average weight = = x + 9 = 13 kg when x = 4 kg.

The correct option is B 13 kg
Solution: Option (b)

Total weight of A, B, C and D = {x + (x +3) + (x + 9) + (x + 12)} = {4x + 36}

Average weight = = x + 9 = 13 kg when x = 4 kg.