HARD
Earn 100

Study the following information and answer the following question.

In a school there are 300 students. The number of girls in the school is 100. A competition is held in school in which 180 participated and 9 students are selected for the final round and they are numbered as 1, 2, 3, 4, 5, 6, 7, 8, 9. All the students sit in a straight line.

Find the number of ways of sitting arrangement of all the students who are selected for final round.

50% studentsanswered this correctly

Important Questions on Organisation of Data

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

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

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 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

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

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 4CP2-AQ2 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.

How many candidates passed in two or more subjects?
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

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

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 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

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

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

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
In how many different ways can the letters of word CANDIDATE can be arranged in such a way that the vowels always come together?
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

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
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
Study the information carefully to answer the question that follows.

On the occasion of an opening ceremony of sports events, in a stadium, there are a total of 600 players who are participating in four different events' viz. Athletics, Table tennis, Kho-Kho, and Lawn Tennis. The ratio between male to female players is 11:4 respectively. 30%of the female players out of total female players are participating in athletics, 10% of female players out of total female players are participating in table tennis and the remaining female players are participating in kho-kho and lawn tennis in the ratio of 1:3 respectively. The ratio of male players who are participating in athletics and other events together is 3:5 respectively. 4% of those male players who are not participating in athletics are participating in lawn tennis and the remaining male players are participating in table tennis and kho-kho in the ratio of 5:3 respectively.

What is the ratio between the male players participating in lawn tennis and female players participating in table tennis respectively?