Question

What is the percentage decrease in the number of vehicles crossing from time interval 8am - 11am to 7pm - 10pm on Wednesday?

• A. 45%
• B. 38%
• C. 40%
• D. 50%
• E. 46%

Answer 1

The correct option is C 40%

Number of vehicles crossing from time interval 8 - 11 am on Wednesday = 10 thousand
Number of vehicles crossing from time interval 7 pm - 10 pm on Wednesday = 6 thousand
$\therefore$ Required percentage decrease $=\frac{10-6}{10}\times 100=40\%$