National Air Quality Index - GS questions based on daily current affairs

1)   Consider the following statements

1. India launched the National Air Quality Index in 10 cities.
2. India ranked 174 th in a survey of 178 countries in environmental preference index

Which of the above statements is/are correct?


a. 1,2
b. 2,3
c. 1,3
d. All
Answer  Explanation 

ANSWER: All

Explanation:
No explanation is available for this question!