The sum of number when a number is increased by 10% and decreased by 10% is 100. What is the number
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Answer:
- 10% Increase
- 10% Decrease
• According to the Question :
⇢ Number = No. × (100+Inc)% × (100-Dec)%
⇢ Number = 100 × (100 + 10)% × (100 - 10)%
⇢ Number = 100 × 110% × 90%
⇢ Number = 100 × 110/100 × 90/100
⇢ Number = 11 × 9
⇢ Number = 99
∴ Hence, the new number will be 99.
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