This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of Health and Disease, Subject name: Social & Preventive Medicine
Range of PQLT is from- 
Select and explain. 
A. -1 to +1, B. 0 to 1, C. 0 to 100, D. None
C: 0 to 100
Answer: C: 0 to 100 
Explanation: Ans. is 'c' i.e., 0 to 100 * Physical quality of life index consolidates three indicatorsi) Literacy rateii) Infant mortality rateiii) Life expectancy at age 1 year (LE)* For each component, the performance of individual counteries is placed on a scale of O to 100, where 0 represents an absolutely defined worst performance and 100 represents an absolutely defined best performance.* The composite index is calculated by averaging the three indicators, giving equal weight to each of them.* The resulting PQLI thus also is scaled 0 to 100.