The number of passengers on Dhaka-Rangpur route increased by 30% when the fare was reduced by 10%. What will be the percentage change in revenue?
A
+3%
B
-3%
C
+17%
D
+20%
Correct Answer: +17%
ব্যাখাঃ Percentage change ( A + B + AB/100) = { 30 + ( - 10) + 30× ( - 10)/100}% = + 17%