Answer:
A) 1:2
Step-by-step explanation:
With its existing accessible sanitation facilities in Mumbai, the ratio of availability of toilets comes to around 52 to 100 people per toilet seat, since in many areas the gap between demand and availability is huge.
Over 90 million toilets have been built across rural India so far, taking the national rural sanitation coverage to over 98% today, up from 39% in 2014.
52 to 100 people per toilet seat,
That is ratio of approximately 1:2