Study the bar graph and answer the question.
Percentage decrease in the number of trees planted in 2016 in state A as compared to that in 2015 in the same state was:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 
| Understanding | Application |
| Tricks |
Here 90 = 100% So 78 = 100/90 × 78 = 780/9 = 86.66 |
| Hence | percentage decreased = |