Question
A number is initially increased by 37.5% and then
reduced by 40%. The final value obtained after these changes is 6,270. Determine 80% of the original number.Solution
Let the required number be 'N'.
So, N X 1.375 X 0.6 = 6,270
Or, N X 0.825 = 6,270
Or, 'N' = (6,270/0.825) = 7,600
Therefore, required value = 0.8 X 7,600 = 6,080
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