Due to reduction in the bus fare by 15% , the number of passengers on a certain route increased by 40% . What will be the percentage of increased in revenue?
A
17
B
19
C
20
D
25
Correct Answer: 19
suppose the fare was 100taka and passenger was 10 then, 10*100=1000takanow, the fare is 15% reduces and become (100-15)=85taka and passenger is 40% increases and become (10+4)=14 so the fare become, 14*85=1190takaso, fare increases 1190-1000=190taka190*100/1000=19%