EASY
Earn 100

Study the following information carefully to answer the questions.

In a medical college there are 1600 students studying Dentistry and Homeopathy. Each student from each course knows one or more languages out of English, Hindi and Bangla. 45% of the students study Dentistry and remaining students study Homeopathy. Out of the students studying Dentistry, boys and girls are in the ratio of 5:3 respectively.

Out of the boys studying Dentistry, 16% know English, 10% know only Hindi and 4% know only Bangla. 24% know English as well as Hindi. 20% know English as well as Bangla. 14% know Hindi as well as Bangla. Remaining boys know all three languages. Out of the girls studying Dentistry,20% know only English, 10% know only Hindi and 10% know only Bangla . 20% know English as well as Hindi. 20% know English as well as Bangla. 10% know Hindi as well as Bangla . Remaining girls know-all three languages. Out of the students studying Homeopathy boys and girls are in the ratio of 4:7 respectively. Out of the boys studying Homeopathy, 20% know only English, 15% know only Hindi and 5% know only Bangla. 15% know English as well as Hindi. 25% know English as well as Bangla. 10% know Hindi as well as Bangla. Remaining boys know all three languages.

Out of the girls studying Homeopathy, 15% know only English, 15% know only Hindi and 5% know only Bangla. 20% know English as well as Hindi. 20% know English as well as Bangla. 15% know Hindi as well as Bangla. Remaining girls know all three languages.

Total how many students in the college know all three languages?

50% studentsanswered this correctly

Important Questions on Organisation of Data

EASY

In a University there are 1200 students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. 20% of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, 320 students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. 150 boys are studying Mathematics. 60% of students studying Physics are boys. 250 girls are studying Statistics.

What is the ratio of the total number of boys to the total number of girls?

MEDIUM

Direction: Consider the following for the next 04 (four) items that follow:

In an examination of Class XII, 55% of students passed in Biology, 62% passed in Physics, 60% passed in Chemistry, 25% passed in Physics and Biology, 30% passed in Physics and Chemistry, 28% passed in Biology and Chemistry. Only 2% 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?

MEDIUM
There are 250 students in a school. Out of which 50 students like playing football only. While 47 students like playing chess only. Similarly, 40 students like playing tennis only. 35 students like playing tennis and football, 33 students like playing chess and tennis, 38 students like playing football and chess. If 10 students like playing all three games, then find the number of those students who do not like playing all three games.
EASY

Direction: In a University there are 1200 students studying four difference subjects, Mathematics, Statistics, Physics, and Chemistry. 20% of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, 320 students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. 150 boys are studying Mathematics. 60% of students studying Physics are boys. 250 girls are studying Statistics.

What is the total number of boys studying Statistics and Physics?

EASY

ABC is a triangle with AB=1.6 cm, BC=6.3 cm and CA=6.5 cm. Let P and Q be the mid-points of AB and BC Respectively.

What is AB2+4BQ2 equal to?

EASY

In a University there are 1200 students studying four difference subjects, Mathematics, Statistics, Physics, and Chemistry. 20% of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, 320 students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. 150 boys are studying Mathematics. 60% of students studying Physics are boys. 250 girls are studying Statistics.

The number of girls studying Statistics is what percent (approximate) of the total number of students studying Chemistry?

MEDIUM

Consider the following for the question that follows:

500 candidates appeared in an examination comprising tests in English, Hindi and Mathematics. 30 candidates failed in English only; 75 failed in Hindi only; 50 failed in Mathematics only; 15 failed in both English and Hindi; 17 failed in both Hindi and Mathematics; 17 failed in both Mathematics and English; 5 failed in all three tests.

What is the percentage of candidates who failed in only one subject?
MEDIUM

Consider the following for the question that follows:

500 candidates appeared in an examination comprising tests in English, Hindi and Mathematics. 30 candidates failed in English only; 75 failed in Hindi only; 50 failed in Mathematics only; 15 failed in both English and Hindi; 17 failed in both Hindi and Mathematics; 17 failed in both Mathematics and English; 5 failed in all three tests.

What is the percentage of candidates who failed in at least one subject?
EASY

ABC is a triangle with AB=1.6 cm, BC=6.3 cm and CA=6.5 cm. Let P and Q be the mid-points of AB and BC Respectively.

What is 4CP2-AQ2 equal to?

MEDIUM

Direction: Consider the following for the next 04 (four) items that follow:

In an examination of Class XII, 55% of students passed in Biology, 62% passed in Physics, 60% passed in Chemistry, 25% passed in Physics and Biology, 30% passed in Physics and Chemistry, 28% passed in Biology and Chemistry. Only 2% failed in all the subjects.

What percentage of students passed in exactly one subject?

EASY

Direction: In a University there are 1200 students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. 20% of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, 320 students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. 150 boys are studying Mathematics. 60% of students studying Physics are boys. 250 girls are studying Statistics.

In which subjects is the difference between the number of boys and girls equal?

MEDIUM

Direction: Consider the following for the next 04 (four) items that follow:

In an examination of Class XII, 55% of students passed in Biology, 62% passed in Physics, 60% passed in Chemistry, 25% passed in Physics and Biology, 30% passed in Physics and Chemistry, 28% passed in Biology and Chemistry. Only 2% failed in all the subjects.

What percentage of students passed in all three subjects?

EASY
In an examination, 52% students failed in English and 42% in Mathematics. If 17% failed in both the subjects, what percentage of students passed in both the subjects ?
EASY

Direction: In a University there are 1200 students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. 20% of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, 320 students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. 150 boys are studying Mathematics. 60% of students studying Physics are boys. 250 girls are studying Statistics.

What is the difference between the number of boys studying Mathematics and the number of girls studying Physics?

MEDIUM

Consider the following for the question that follows:

500 candidates appeared in an examination comprising tests in English, Hindi and Mathematics. 30 candidates failed in English only; 75 failed in Hindi only; 50 failed in Mathematics only; 15 failed in both English and Hindi; 17 failed in both Hindi and Mathematics; 17 failed in both Mathematics and English; 5 failed in all three tests.

What is the percentage of candidates who failed in at least two subjects?

EASY

Direction: The figure given below consists of three intersecting circles which represents set of players who play Tennis,Badminton and Kabaddi.Each region in the figure is representes by a number.

Question Image

How many players play Kabaddi?

MEDIUM

Consider the following for the question that follows:

500 candidates appeared in an examination comprising tests in English, Hindi and Mathematics. 30 candidates failed in English only; 75 failed in Hindi only; 50 failed in Mathematics only; 15 failed in both English and Hindi; 17 failed in both Hindi and Mathematics; 17 failed in both Mathematics and English; 5 failed in all three tests.

How many candidates passed in two or more subjects?
MEDIUM

Direction: Consider the following for the next 04 (four) items that follow:

In an examination of Class XII, 55% of students passed in Biology, 62% passed in Physics, 60% passed in Chemistry, 25% passed in Physics and Biology, 30% passed in Physics and Chemistry, 28% passed in Biology and Chemistry. Only 2% failed in all the subjects.

If the number of students is 360, then how many passed in at least two subjects?

EASY

ABC is a triangle with AB=1.6 cm, BC=6.3 cm and CA=6.5 cm. Let P and Q be the mid-points of AB and BC Respectively.

What is AQ2+CP2 equal to?

MEDIUM

There are 120 students in a class. Among them,

  1.  20 students play both hockey and Kabbadi, as well the same number of students play only football.
  2. 25 students play both hockey and football.
  3. 15 students play both football and Kabbadi.
  4. The number of students who play only hockey is the same as the number of students who do not play any of the three games.
  5. The number of students who play only hockey is half of the number of students who play football only.

 How many students play only Kabbadi?