A number is decreased by 25% and then increased by 25%. The number so obtained is 8 less than the original number. What was the original number?
Answer & explanation
Correct answer: option 1
Actual No. : New No.
-25% 4 : 3
+25% 4 : 5
Total Effect 16 : 15 ⇒ 1 (decrease)
1 Unit = 8
Original no. is = 16 Units = 16 × 8 = 128