In a survey of 400 students in a school100 were listed as taking apple juice, 150 as taking orange juice and 75 were listed as taking both apple as well as orange juice. Find how many students were taking neither apple juice nor orange juice.

In a school , a survey among 400 students, 100 were listed as taking apple juice, 150 as taking orange juice and 75 were listed as taking both apple juice as well as orange juice.How many students were taking neither apple juice nor orange juice?

In a school , a survey among 400 students, 100 were listed as taking apple juice, 150 as taking orange juice and 75 were listed as taking both apple juice as well as orange juice.How many students take apple juice or orange juice?

In a school , a survey among 400 students, 100 were listed as taking apple juice, 150 as taking orange juice and 75 were listed as taking both apple juice as well as orange juice. How many take apple juice alone but not orange juice?

In a survey of 600 students in a school,150 students were found to be taking tea and 225 students were taking coffee.100 were taking both tea and coffee. Find how many students were taking neither tea nor coffee.

A box contains 6 apples, 5 oranges and 8 mangoes. In how many different ways a person take one apple, one orange and one mango.

A firm deals with two kinds of fruit juices-pineapple and the, orange juice. These are mixed and two types of mixtures are obtained which is sold as soft drinks A and B , One tin of A need 4 litres of pineapple juice and 1 litre of orange juice. One tin of B needs 2 litres of pineapple and 3 litres of oranges juice. The firm has only 46 litres of pineapple juice and 24 litres of orange jụice. Each tin of A and B is sold at a profit of Rs. 4 /- and Rs. 3 /-respectively. How many tins of A and B should the firm produce to maximise profiț? Formulate the linear programming problem and solve it graphically.

b)In a survey of 100 students in a music school the number of students learning different music instruments was found to be guitar 28,Veena 30,Flute 42,Guitar and Veena 8,Guitar and Flute 10,Veena and Flute 5,all musical instruments 3.How many students were learning none of the three musical instruments?