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

In a survey of 400 students in a school, 100 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 survey of 400 students in a school, 100 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 group of 75 persons every one takes either tea or coffee. If 45 take tea and 35 take coffee, then the Number of persons who take tea only (and not coffee) is

In a class of 100 students 60 drinks tea. 50 drink coffee and 30 drink both .A students from this class is selected at random.Find the probability that the student takes (i) atleast one of the two drinks (ii) only one of the two drinks

In a Survey of 5,000 people in town, 2250 were listed as reading English News paper 1750 as reading Hindi News Paper and 875 were listed as reading both Hindi or English news paper. Find how many people do not read Hindi or English News paper. Find how many people only English Nes Paper.

In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks. (a)Find how many students obtained marks equal to or more than 7.

In a group of 70n people , 37 like coffee, 52 like tea and each person likes at least one of the two drinks . How many people like both coffee and tea ?

A survey of 120 school students was done to find which activity they prefer to do in their free time. Draw a bar graph to illustrate the above data taking scale of 1 unit length = 5 students. Which activity is preferred by most of the students other than playing?

The ages of two students A and B are 19 years and 15 years respectively. Find how many years it will take so that the product of their ages becomes equal to 480.

In a class of 60 students, each boy contributed rupees equal to the number of girls and each girl contributed rupees equal to the number of boys. If the total money then collected was RS 1600. How many boys were there in the class?