Question

The value of a number first increased by 15% and then decreased by 10%. Then the net effect:

• A. 3.5% increase
• B. 3.5% decrease
• C. 5% increase
• D. 4.8% decrease

Answer 1

Answer:

A. 3.5% increase

[15-10+ 15x-10/100]% = 5+(-150/100)= 5 - 1.5 = 3.5% Value is +ve, so increase of 3.5%