Quantitative Aptitude Ques 1460

Question: Directions: Study the table carefully to answer the questions that follow.

[UBI (PO) 2011] Number of trees rated (in hundreds) by five different NGOs in six different year in two different states. NGO’s A B C D E Years State A State B State A State B State A State B State A State B State A State B 2005 14.2 8.5 14.2 4.4 4.5 4.4 4.5 2.1 9.4 3.5 2006 21.6 5.4 7.9 7.2 6.9 4.4 5.4 4.3 7.2 4.7 2007 13.5 8.8 7.7 4.8 5.4 3.8 6.3 6.3 7.4 8.2 2008 12.4 9.6 10.4 6.4 7.2 8.2 9.6 4.4 5.6 4.2 2009 10.8 12.4 12.6 6.2 8.6 6.4 8.4 5.2 6.9 3.8 2010 12.2 14.2 7.5 4.2 11.3 9.3 6.3 5.4 12.8 6.4 What was the approximate percentage decrease in the number of trees planted by NGO C in state B in the year 2009 as compared to the previous year?

Options:

A) 28%

B) 22%

C) 26%

D) 16%

E) 20%

Show Answer

Answer:

Correct Answer: B

Solution:

  • Required percentage decrease $ =( \frac{8.2-6.4}{8.2} )\times 100\approx 22 $ %