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**Directions (1-5): Study the following information and answer the questions that follow: **The following table gives the data regarding the number of students studying in various streams in various universities(X,Y& Z) in the year 2017.

Note: Total students=Male students+ Female students

1. Total number of students studying in Psychology in X and Y is what percent less than that of those studying in Chemistry in the same university?

2. The number of female students studying in stream Chemistry in Z is what percent of the number of female students in Psychology in X?

3. What is the ratio of the total number of males studying in stream physics and chemistry in Y University to the total number of males studying in the same stream in Z?

4. Total number of females studying in stream English in all the university together in 2018 was 2190 more than that in the year 2017. In 2018, what was the total number of students (male + female) studying in English in all universities together, if the total number of female students in English in 2018 constituted 4/7 of the total number of students (male + female) studying in English in all universities together?

5. What is the average number of female students studying in Physics in all the given university?

**Directions (6-10): Read the following passage carefully and answer the given questions. **In college, students like three different computer courses C, C++ and Java. The number of students who like all the three languages is 20 which is 1/29

^{th}of the total students. Ratio of the number of students who likes only C, C++ and Java is 4: 8: 7. Ratio of the number of students who likes C and C++, C++ and Java and C and Java is 2: 4: 3. Number of students who likes only C is equal to the number of students who likes C++ and Java which is 80.

6. Number of students who likes Only Java is what percentage of the total students in the college?

7. Find the ratio of the number of students who likes C to the number of students who likes C++.

8. Number of students who likes only Java is what percentage more/less than the number of students who likes only C++?

9. Find the difference of the number of students who likes C++ and Java to the number of students who likes C and Java

10. Find the total number of students who likes at least two courses.

**Check your Answers below:**

**Directions (1-5): Study the following information and answer the questions that follow:**The following table gives the data regarding the number of students studying in various streams in various universities(X,Y& Z) in the year 2017.

Note: Total students=Male students+ Female students##### 1. Question

Total number of students studying in Psychology in X and Y is what percent less than that of those studying in Chemistry in the same university?

Ans:5

Total number of students studying in Psychology in X and Y=2200+2600=4800

Total number of students studying in Chemistry in X and Y=2800+2400=5200

Required percentage= [(5200-4800)/5200]*100

=100/13

= 7 9/13%##### 2. Question

**Directions (1-5): Study the following information and answer the questions that follow:**The following table gives the data regarding the number of students studying in various streams in various universities(X,Y& Z) in the year 2017.

Note: Total students=Male students+ Female students

The number of female students studying in stream Chemistry in Z is what percent of the number of female students in Psychology in X?Ans:4

Number of female students studying in Chemistry in Z= 2200-1900=300

Number of female students in Psychology in X=2200-1500=700

Required percentage= (300/700)*100=300/7=42 6/7%##### 3. Question

**Directions (1-5): Study the following information and answer the questions that follow:**The following table gives the data regarding the number of students studying in various streams in various universities(X,Y& Z) in the year 2017.

Note: Total students=Male students+ Female students

What is the ratio of the total number of males studying in stream physics and chemistry in Y University to the total number of males studying in the same stream in Z?Ans:2

Total number of males studying in physics and chemistry in Y University=2200+1800=4000

Total number of males studying in physics and chemistry in Z University=2500+1900=4400

Required ratio=4000:4400=10:11##### 4. Question

**Directions (1-5): Study the following information and answer the questions that follow:**The following table gives the data regarding the number of students studying in various streams in various universities(X,Y& Z) in the year 2017.

Note: Total students=Male students+ Female students

Total number of females studying in stream English in all the university together in 2018 was 2190 more than that in the year 2017. In 2018, what was the total number of students (male + female) studying in English in all universities together, if the total number of female students in English in 2018 constituted 4/7 of the total number of students (male + female) studying in English in all universities together?Ans:5

In 2017,

Number of female students studying in English in X university=1600-1250=350

Number of female students studying in English in Y university=1400-1180=220

Number of female students studying in English in Z university=1500-1260=240

Total number of female students=350+220+240=810

In2018, Number of female students studying in English in all the university

=810+2190=3000

From given,

Total number of female students in English in 2018 = 4/7 of the total Number of students studying in English in all the university in 2018

4/7 of the total students in English in 2018=3000

Total students in English in 2018=3000*(7/4) =5250##### 5. Question

**Directions (1-5): Study the following information and answer the questions that follow:**The following table gives the data regarding the number of students studying in various streams in various universities(X,Y& Z) in the year 2017.

Note: Total students=Male students+ Female students

What is the average number of female students studying in Physics in all the given university?Ans:2

Number of female students studying in Physics in X university=4000-2800=1200

Number of female students studying in Physics in Y university=3800-2200=1600

Number of female students studying in Physics in Z university=3000-2500=500

Average number of female students studying in Physics in all the given university=(1200+1600+500)/3

=3300/3

=1100**Directions (6-10): Read the following passage carefully and answer the given questions.**In college, students like three different computer courses C, C++ and Java. The number of students who like all the three languages is 20 which is 1/29

^{th}of the total students. Ratio of the number of students who likes only C, C++ and Java is 4: 8: 7. Ratio of the number of students who likes C and C++, C++ and Java and C and Java is 2: 4: 3. Number of students who likes only C is equal to the number of students who likes C++ and Java which is 80.##### 6. Question

Number of students who likes Only Java is what percentage of the total students in the college?

Ans:3

Total students = 20 * 29 = 580

Required percentage = (140/580)* 100 =24.14%##### 7. Question

**Directions (6-10): Read the following passage carefully and answer the given questions.**In college, students like three different computer courses C, C++ and Java. The number of students who like all the three languages is 20 which is 1/29

^{th}of the total students. Ratio of the number of students who likes only C, C++ and Java is 4: 8: 7. Ratio of the number of students who likes C and C++, C++ and Java and C and Java is 2: 4: 3. Number of students who likes only C is equal to the number of students who likes C++ and Java which is 80.

Find the ratio of the number of students who likes C to the number of students who likes C++.Ans:2

Total students = 20 * 29 = 580

Required ratio = (80+40+20+60): (160+80+40+20)

= 200: 300

= 2:3##### 8. Question

**Directions (6-10): Read the following passage carefully and answer the given questions.**In college, students like three different computer courses C, C++ and Java. The number of students who like all the three languages is 20 which is 1/29

^{th}of the total students. Ratio of the number of students who likes only C, C++ and Java is 4: 8: 7. Ratio of the number of students who likes C and C++, C++ and Java and C and Java is 2: 4: 3. Number of students who likes only C is equal to the number of students who likes C++ and Java which is 80.

Number of students who likes only Java is what percentage more/less than the number of students who likes only C++?Ans:4

Total students = 20 * 29 = 580

Required percentage = [(160-140)/160] * 100

= (20/160) * 100

= 12.5%##### 9. Question

**Directions (6-10): Read the following passage carefully and answer the given questions.**In college, students like three different computer courses C, C++ and Java. The number of students who like all the three languages is 20 which is 1/29

^{th}of the total students. Ratio of the number of students who likes only C, C++ and Java is 4: 8: 7. Ratio of the number of students who likes C and C++, C++ and Java and C and Java is 2: 4: 3. Number of students who likes only C is equal to the number of students who likes C++ and Java which is 80.

Find the difference of the number of students who likes C++ and Java to the number of students who likes C and JavaAns:5

Total students = 20 * 29 = 580

Required difference = 80 – 60 = 20##### 10. Question

**Directions (6-10): Read the following passage carefully and answer the given questions.**In college, students like three different computer courses C, C++ and Java. The number of students who like all the three languages is 20 which is 1/29

^{th}of the total students. Ratio of the number of students who likes only C, C++ and Java is 4: 8: 7. Ratio of the number of students who likes C and C++, C++ and Java and C and Java is 2: 4: 3. Number of students who likes only C is equal to the number of students who likes C++ and Java which is 80.

Find the total number of students who likes at least two courses.Ans:2

Total students = 20 * 29 = 580

Required total = (40+80+60+20)

= 200