Suppose vial C tests positive and vials A, E and H test negative. Which patient has the disease?

From the passage: A survey of 600 schools in India was conducted to gather information a...

What was the total number of schools having exactly three of the four facilities?

From the passage: XYZ organization got into the business of delivering groceries to home...

Among the following days, the largest fraction of orders booked on which day was lost?

From the passage: A survey of 600 schools in India was conducted to gather information a...

What was the number of schools having facilities F2 and F4?

From the passage: A survey of 600 schools in India was conducted to gather information a...

What was the number of schools having only facilities F1 and F3?

From the passage: A survey of 600 schools in India was conducted to gather information a...

What was the number of schools having only facilities F1 and F4?

From the passage: XYZ organization got into the business of delivering groceries to home...

On which of the following days was the number of orders booked the highest?

From the passage: XYZ organization got into the business of delivering groceries to home...

The delivery ratio for a given day is defined as the ratio of the number of orders booked on that day which are delivered on the next day to the number of orders booked on that day which are delivered on the second day after booking. On which of the following days, was the delive…

From the passage: XYZ organization got into the business of delivering groceries to home...

The average time taken to deliver orders booked on a particular day is computed as follows. Let the number of orders delivered the next day be x and the number of orders delivered the day after be y. Then the average time to deliver order is (x+2y)/(x+y). On which of the followin…