In a certain office 72% of the workers prefer tea and 44% prefer coffee. If each of them prefers tea or coffee and 40 like both, the total number of workers in the office `200` b. `250` c. `240` d. 320

In a certain office, 72% of the workers prefer tea and 44% prefer coffee. If each of them prefers tea or coffee and 40 like both, the total number of workers in the office is :

In an area of the total people 40% were women and 45% coffee drinkers.One-third of the makes are coffee drinkers.Suppose the total number of persons in the area is 100, then the number of female non coffee drinkers is a.15 b.20 c.25 d.none of these

In a company 55% of workers drink tea, 45% drink coffee and 40% drink. Milk 20% of workers drink tea and milk both, 20% drink coffee and milk both, 25% of workers tea and coffee both. 15% of workers drink all three beverages. Find the percentage of workers who do not like any of three beverages

In a hostel 50% of the girls like tea, 40% like coffee and 20% like both tea and coffee A girl is selected at random. Find the probability that she likes neither tea or coffee .

Out of 20 members in an office,12 like to take tea and 15 like coffee.Assume that each one likes atleast one of the two drinks,how many like Both coffee and tea.

In a company there are 75% skilled workers and the remaining are unskilled.80% of skilled workers and 20% of unskilled workers are permanent.If the number of temporary workers is 126, then what is the total number of workers? a.360 b.377 c.480 d.510