
A total of students appeared in a class test consisting of three papers, viz Physics, Chemistry and Maths. The following Venn diagram shows the number of students who passed these three papers. None of the students failed in all three papers together. Answer the given question based on this diagram.

How many students are there who passed in exactly one paper, if the number of students who passed in exactly two papers is ?


Important Questions on Organisation of Data
Direction: In a University there are students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. boys are studying Mathematics. of students studying Physics are boys.girls are studying Statistics.
What is the difference between the number of boys studying Mathematics and the number of girls studying Physics?

Consider the following for the question that follows:
candidates appeared in an examination comprising tests in English, Hindi and Mathematics. candidates failed in English only; failed in Hindi only; failed in Mathematics only; failed in both English and Hindi; failed in both Hindi and Mathematics; failed in both Mathematics and English; failed in all three tests.
What is the percentage of candidates who failed in only one subject?
In a University there are students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. boys are studying Mathematics. of students studying Physics are boys.girls are studying Statistics.
What is the ratio of the total number of boys to the total number of girls?

Direction: In a University there are students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. boys are studying Mathematics. of students studying Physics are boys.girls are studying Statistics.
In which subjects is the difference between the number of boys and girls equal?

is a triangle with . Let be the mid-points of Respectively.
What is equal to?

Direction: In a University there are students studying four difference subjects, Mathematics, Statistics, Physics, and Chemistry. of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. boys are studying Mathematics. of students studying Physics are boys.girls are studying Statistics.
What is the total number of boys studying Statistics and Physics?


Consider the following for the question that follows:
candidates appeared in an examination comprising tests in English, Hindi and Mathematics. candidates failed in English only; failed in Hindi only; failed in Mathematics only; failed in both English and Hindi; failed in both Hindi and Mathematics; failed in both Mathematics and English; failed in all three tests.
How many candidates passed in two or more subjects?
Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
What percentage of students passed in exactly one subject?

Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
If the number of students is , then how many passed in at least two subjects?


is a triangle with . Let be the mid-points of Respectively.
What is equal to?

Consider the following for the question that follows:
candidates appeared in an examination comprising tests in English, Hindi and Mathematics. candidates failed in English only; failed in Hindi only; failed in Mathematics only; failed in both English and Hindi; failed in both Hindi and Mathematics; failed in both Mathematics and English; failed in all three tests.
What is the percentage of candidates who failed in at least two subjects?

In a University there are students studying four difference subjects, Mathematics, Statistics, Physics, and Chemistry. of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. boys are studying Mathematics. of students studying Physics are boys.girls are studying Statistics.
The number of girls studying Statistics is what percent (approximate) of the total number of students studying Chemistry?

Consider the following for the question that follows:
candidates appeared in an examination comprising tests in English, Hindi and Mathematics. candidates failed in English only; failed in Hindi only; failed in Mathematics only; failed in both English and Hindi; failed in both Hindi and Mathematics; failed in both Mathematics and English; failed in all three tests.
What is the percentage of candidates who failed in at least one subject?
Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
What is the ratio of number of students who passed in both Physics and Chemistry to number of students who passed in both Biology and Physics but not Chemistry?

is a triangle with . Let be the mid-points of Respectively.
What is equal to?

Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
What percentage of students passed in all three subjects?

Study the following information carefully answer the question that follows:
In a school, there are students who have visited five different cities viz. Delhi, Ajmer, Varanasi, Mumbai, and Jodhpur. Fifty-four percent of the total students are boys. One-fourth of the total number of girls visited Mumbai. Twenty-five percent of the total number of girls visited Delhi. The number of girls who visited Jodhpur is half the number of girls who visited Delhi. Five-sixths of the remaining girls visited Ajmer. The total number of students who visited Mumbai is . One-fourth of the total number of boys visited Varanasi. boys have visited Ajmer. Two third of the remaining number of boys have visited Delhi.
What is two-third of the total number of girls who visited Jodhpur and Varanasi together?

students of a class appeared in an exam. The ratio of the number of boys to the number of girls in the class is . of boys passed only in Maths and half of this number is equal to the number of girls who passed in both Maths and Physics. The number of boys who passed only in Physics is equal to the number of girls who passed only in Maths and this number is of the total number of students of the class.
What is the number of girls passed in Physics ?

