Set-31 DI For SBI PO and SBI Clerk 2019 | Must Go Through These Questions

• 14.14%
• 16.14%
• 24.14%
• 18.14%
• 12.56%

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

• 1: 3
• 2: 3
• 2: 5
• 4: 3
• None of these

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

• 25%
• 20%
• 24%
• 12.5%
• 15%

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

• 40
• 10
• 60
• 30
• None of these

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

• 120
• 200
• 160
• 180
• 240

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?

  • 5 9/13%
  • 3 9/13%
  • 9 9/13%
  • 11 9/13%
  • 7 9/13%
  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?

  • 12 6/7%
  • 15 6/7%
  • 27 6/7%
  • 42 6/7%
  • 85 6/7%
    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?

  • 21:44
  • 10:11
  • 12:33
  • 12:55
  • 10:99
    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?

  • 2520
  • 3250
  • 6230
  • 6310
  • 5250
  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?

  • 1210
  • 1100
  • 5230
  • 4210
  • 4410
  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?

  • 14.14%
  • 16.14%
  • 24.14%
  • 18.14%
  • 12.56%
  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++.

  • 1: 3
  • 2: 3
  • 2: 5
  • 4: 3
  • None of these
    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++?

  • 25%
  • 20%
  • 24%
  • 12.5%
  • 15%
  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 Java

  • 40
  • 10
  • 60
  • 30
  • None of these
  Ans: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.

  • 120
  • 200
  • 160
  • 180
  • 240
  Ans:2
  Total students = 20 * 29 = 580

  
  Required total = (40+80+60+20)
  = 200