Correct option is A
Given:
Blood donated each time = 330 ml
Time period = 6 years
Formula Used:
Amount of blood donated in 6 years = (Number of donations in 6 years) × (Blood donated each time)
Solution:
Rakesh donates blood in3 years= 660 ml
Rakesh donates blood in6 years= 2× 660ml = 1320 ml
Rakesh donates blood in 6 years= 1.320 L