EASY
Earn 100

The question is based on the following information. Study it carefully and answer the question—

In a group of 60 boys, all the boys play at least one game out of Hockey, Football and Volleyball. 13 of the boys play only Hockey, 25% play only Football and 20% play only Volleyball. 5 boys play both Hockey and Volleyball, 4 boys play both Hockey and Football, 2 boys play both Football and Volleyball, 2 boys play all the three games

How many boys play either Football or Hockey or both ?

50% studentsanswered this correctly

Important Questions on Organisation of Data

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 only one subject?
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?

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?

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?

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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?

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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.
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.

What percentage of students passed in exactly one subject?

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?

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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 ?
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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?

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

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 at least one subject?
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?

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

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?

MEDIUM

Study the following information and answer the questions that follow:

The premises of a bank are to be renovated. The renovation is in terms of flooring, certain areas are to be floored either with marble or wood. All rooms/halls and pantries are rectangular.The area to be renovated comprises a hall for customer transaction measuring 23 m by 29 m, branch manager's room measuring 13 m by 17 m, a pantry measuring 14 m by 13 m, record keeping cum server room measuring 21 m by 13 m, and locker area measuring 29 m by 21 m.
The total area of the bank is 2000 m2. The cost of wooden flooring is 170 per square meter, and the cost of marble flooring is 190 per square meter. The locker area, record keeping cum server room, and pantry are to be floored with marble. The branch manager's room and the hall for customer transactions are floored with wood. No other area is to be renovated in terms of flooring.

If die four walls and ceiling of the branch manager's room (The height of the room is 12 m) are to be painted at dying cost of 190 per square meter. How much will be the total cost of renovation of the branch manager's room including the cost of flooring?

MEDIUM
Study the information carefully to answer the following questions.

A college has many streams in graduate viz, Science, Commerce and Arts. Among the total number of students in the college 45% are girls. Number of boys studying in Science stream which is 297, is 30% of the total numbers of boys in the college. 40% of the girls are studying in Arts stream. Number of boys and girls studying in Science stream are in the ratio 3 : 2. 50% of boys are studying in Commerce streams.

How many girls are studying in Commerce stream?