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A student multiplied a number by 6/5 instead of 5/6. What is the percentage error in the calculation?
- A44 percent
- B30.56 percent
- C15.28 percent
- D22 percent
Answer not set
Discussion 1
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CCommunity
Let the number be x
⇒ Actual number = x × (5/6) = 5x/6
⇒ Wrongly calaculated number = x × (6/5) = 6x/5
⇒ Error = 6x/5 – 5x/6 = 11x/30
⇒ Percentage error = (11x/30)/(5x/6) × 100 = 44%
⇒ Actual number = x × (5/6) = 5x/6
⇒ Wrongly calaculated number = x × (6/5) = 6x/5
⇒ Error = 6x/5 – 5x/6 = 11x/30
⇒ Percentage error = (11x/30)/(5x/6) × 100 = 44%