Reverse multi-stepvery hardFree question
Reverse multi-step Numerical Reasoning Question
After a 20% rise and then a 10% fall, a price is £205.20. What was the original price?
Show worked solution
Combine the changes into one net factor (multiply them), then divide the final value by that factor. The correct answer is £190.00. Traps to avoid: £186.55 comes from the "netted the percents" error; £180.58 comes from the "reversed signs" error; £205.20 comes from the "gave the final price" error; £221.62 comes from the "applied forward again" error.
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