Quantitative Techniques Quiz Set – 5

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Question 1 of 10

1. Question
Directions : Study the following information carefully and answer the questions given beside.

In an intermediate school (9th-12th class only), total number of girls are 6.25% more than the total number of boys such that total students in the school are 660.

Number of girls in class-9 is one less than the number of girls in class-12, and the number of boys in class-12 is one more than the number of girls in class-12. Number of boys in Class-9 is equal to the number of girls in class-11. Total number of students in class-11 is 147 and number of boys in this class is 75. Number of boys in class-12 is 11 more than the number of boys in class-9.
Which of the following options is correct?
- Class-9 has highest number of boys
- Class-11 has highest number of boys
- Class-10 has highest number of girls
- Class-12 has least number of girls
- More than one option is correct
Correct

Correct Answer is (C)

Incorrect

Correct Answer is (C)
Question 2 of 10

2. Question
Directions : Study the following information carefully and answer the questions given beside.

In an intermediate school (9th-12th class only), total number of girls are 6.25% more than the total number of boys such that total students in the school are 660.

Number of girls in class-9 is one less than the number of girls in class-12, and the number of boys in class-12 is one more than the number of girls in class-12. Number of boys in Class-9 is equal to the number of girls in class-11. Total number of students in class-11 is 147 and number of boys in this class is 75. Number of boys in class-12 is 11 more than the number of boys in class-9.
What is the Sum of the average number of boys in class-9, 10 and 11 and the average number of girls in class-11 and 12?
- 78
- 156
- 391
- 237
- None of these
Correct

Correct Answer is (B)

Incorrect

Correct Answer is (B)
Question 3 of 10

3. Question
Directions : Study the following information carefully and answer the questions given beside.

In an intermediate school (9th-12th class only), total number of girls are 6.25% more than the total number of boys such that total students in the school are 660.

Number of girls in class-9 is one less than the number of girls in class-12, and the number of boys in class-12 is one more than the number of girls in class-12. Number of boys in Class-9 is equal to the number of girls in class-11. Total number of students in class-11 is 147 and number of boys in this class is 75. Number of boys in class-12 is 11 more than the number of boys in class-9.
Number of girls in class-11 is what percent less than the number of boys in the same class?
- 3%
- 4%
- 5%
- 4.17%
- None of these
Correct

Correct Answer is (B)

Incorrect

Correct Answer is (B)
Question 4 of 10

4. Question
Directions : Study the following information carefully and answer the questions given beside.

In an intermediate school (9th-12th class only), total number of girls are 6.25% more than the total number of boys such that total students in the school are 660.

Number of girls in class-9 is one less than the number of girls in class-12, and the number of boys in class-12 is one more than the number of girls in class-12. Number of boys in Class-9 is equal to the number of girls in class-11. Total number of students in class-11 is 147 and number of boys in this class is 75. Number of boys in class-12 is 11 more than the number of boys in class-9.
Difference between the number of students in class-10 and 12 together and class-11 and 9 together is:
- 60
- 100
- 50
- 0
- None of these
Correct

Correct Answer is (A)

Incorrect

Correct Answer is (A)
Question 5 of 10

5. Question
Directions : Study the following information carefully and answer the questions given beside.

In an intermediate school (9th-12th class only), total number of girls are 6.25% more than the total number of boys such that total students in the school are 660.

Number of girls in class-9 is one less than the number of girls in class-12, and the number of boys in class-12 is one more than the number of girls in class-12. Number of boys in Class-9 is equal to the number of girls in class-11. Total number of students in class-11 is 147 and number of boys in this class is 75. Number of boys in class-12 is 11 more than the number of boys in class-9.
Class-10 has two sections A and B. In section A and B together, ratio of boys is 7 : 8 and that of Girls is 4 : 3. Ratio of number of boys and girls in section-B is:
- 5 : 4
- 7 : 10
- 16 : 15
- 14 : 15
- None of these
Correct

Correct Answer is (C)

Incorrect

Correct Answer is (C)
Question 6 of 10

6. Question
Directions: Study the following information carefully and answer the questions given beside.

In a dance class there are a total of 538 students who take admission to learn Salsa and Hip-hop dance. Each student learns single dance form only. Boys who learn Salsa dance is 70% of girls who learn Salsa dance. Girls who learn Hip-hop is 20 more than boys who learn Hip-hop dance. Girls who learn Salsa dance is same as Boys who learn Hip-hop dance.
What is the difference between number of boys and girls who took admission to learn Salsa dance?
- 32
- 42
- 56
- 66
- 28
Correct

Correct Answer is (B)

Incorrect

Correct Answer is (B)
Question 7 of 10

7. Question
Directions: Study the following information carefully and answer the questions given beside.

In a dance class there are a total of 538 students who take admission to learn Salsa and Hip-hop dance. Each student learns single dance form only. Boys who learn Salsa dance is 70% of girls who learn Salsa dance. Girls who learn Hip-hop is 20 more than boys who learn Hip-hop dance. Girls who learn Salsa dance is same as Boys who learn Hip-hop dance.
How many students took admission in Hip-hop dance?
- 240
- 320
- 300
- 480
- 170
Correct

Correct Answer is (C)

Incorrect

Correct Answer is (C)
Question 8 of 10

8. Question
Directions: Study the following information carefully and answer the questions given beside.

In a dance class there are a total of 538 students who take admission to learn Salsa and Hip-hop dance. Each student learns single dance form only. Boys who learn Salsa dance is 70% of girls who learn Salsa dance. Girls who learn Hip-hop is 20 more than boys who learn Hip-hop dance. Girls who learn Salsa dance is same as Boys who learn Hip-hop dance.
The number of boys who took admission in Salsa is what percent of the total number of students who took admission in Hip-hop dance?
- 32.66%
- 36.66%
- 34.66%
- 33.66%
- 35.66%
Correct

Correct Answer is (A)

Incorrect

Correct Answer is (A)
Question 9 of 10

9. Question
Directions: Study the following information carefully and answer the questions given beside.

In a dance class there are a total of 538 students who take admission to learn Salsa and Hip-hop dance. Each student learns single dance form only. Boys who learn Salsa dance is 70% of girls who learn Salsa dance. Girls who learn Hip-hop is 20 more than boys who learn Hip-hop dance. Girls who learn Salsa dance is same as Boys who learn Hip-hop dance.
If 100 new students took admission in Salsa dance, then how many new boys took admission in Salsa, so that the ratio of boys to girls in Salsa becomes 89 : 80?
- 89
- 70
- 98
- 80
- 90
Correct

Correct Answer is (B)

Incorrect

Correct Answer is (B)
Question 10 of 10

10. Question
Directions: Study the following information carefully and answer the questions given beside.

In a dance class there are a total of 538 students who take admission to learn Salsa and Hip-hop dance. Each student learns single dance form only. Boys who learn Salsa dance is 70% of girls who learn Salsa dance. Girls who learn Hip-hop is 20 more than boys who learn Hip-hop dance. Girls who learn Salsa dance is same as Boys who learn Hip-hop dance.
If the number of girls in the Hip-hop is increased by 10% then by what percent the number of girls in Salsa should be decreased so that the total number of students i.e., 538 remains same?
- 15.24%
- 18.33%
- 13.34%
- 17.43%
- 11.43%
Correct

Correct Answer is (E)

Incorrect

Correct Answer is (E)

Quantitative Techniques Quiz Set 5

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