Question

12. The excise duty on a certain item has been reduced to 7500 from 11,600, find the percentage
reduction in the excise duty for that item.
3. The speed of a train is 140 km/h. It is increased by 12.5%. Find the new speed of the train​

Answer 1

Answer:

12. 11600-7500 = 4100

4100* 100/ 11600 = 4100/116 = 35.3%

3. 140× 9/ 8 = 157.5

(since , 12.5% = 1/8

increase by 12.5 % means = 9/8)