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Quants Questions : Data Interpretation Set 18

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Hello Aspirants. Welcome to Online Quantitative Aptitude section in AffairsCloud.com. Here we are creating question sample From Data Intrepretation that is important for IBPS,SBI exam,SSC exam, Railways Exam,FCI exam  and other competitive exams. We have included Some questions that are repeatedly asked in exams !!

I. Study the following information to answer the given questions

       In a School, 150 students of 12th are enrolled. The ratio of boys and girls is 7:8. There are 3 groups such as Biology, Computer Science and History. In Biology  there are 50% girls of their total number and the boys are 40% of their total number, In Computer Science girls are 30% of their total number and boys are 30% of their total number. History girls 20% of their total number and boys 30% of their total number.

        7 boys and 9 girls are in Computer Science and Biology both. 6 boys and 7 girls are in  Computer Science and  History both.5 boys and 8 girls are in Biology and History both. 2 boys and 3 girls are enrolled in all the 3 group.

  1. Find the ratio of boys and girls only in Biology ?
    A)13:9
    B)9:13
    C)9:11
    D)7:10
    E)None of these
    B)9:13
    Explanation :
    Boys : Girls = 7:8 = 70:80
    Biology B = 40*70/100 = 28;   G =50*80/100 = 40
    CS B = 30*70/100= 21;           G= 30*80/100 = 24
    History B = 30*70/100 = 21;   G= 20*80/100 = 16
    CS + Biology => B = 7 ;           G = 9
    CS + History => B = 6 ;           G = 7
    Biology + History => B = 5 ;    G = 8
    Biology B:G =18:26 = 9:13
    Circlecircle 

  2. What % of GIRLS are enrolled in all the 3 disciplines ?
    A)4
    B)3.3
    C)2
    D)3
    E)None of these
    C)2   
    Explanation :
    G = 3
    % = 3*100/150 = 2

  3. The number of girls enrolled in  Computer Science only ?
    A)21
    B)24
    C)10
    D)11
    E)None of these
    D)11

  4. The no of boys in Biology is how much % more than the no of girls in Computer Science ?
    A)16.67%
    B)16.64%
    C)14.66%
    D)12.67%
    E)None of these
    A) 16.67%
    Explanation :
    B =28  G = 24
    4*100/24 = 16.67

  5. Find the average no of boys in all the three groups ?
    A)23.32
    B)23.33
    C)23.43
    D)24.44
    E)None of these
    B)23.33
    Explanation :28+21+21/3 = 23.33

II. Study the following information to answer the given questions
Table

  1. How many students have scored the highest marks in more than one subjects ?
    A)None
    B)One
    C)Two
    D)Three
    E)Four
    C)Two
    Explanation :
    Balu : 96   92
    Dinesh : 90     88

  2. How many marks did Chinna get in all the subjects ?
    A)405
    B)440
    C)540
    D)450
    E)None of these
    D)450
    Explanation :76+66+78+88+72+70 = 450

  3. What are the average marks obtained by all the students in Maths ?
    A)77
    B)76
    C)67
    D)70
    E)None of these
    A)77
    Explanation :(88+84+78+96+68+50)/6 = 464/6 = 77.33 = 77

  4. Find an aggregate percentage of Easwar ?
    A)46%
    B)64%
    C)44%
    D)66%
    E)None of these
    B)64%
    Explanation :
    64+70+68+72+68+74 = 416
    Total = 650
    % = 416*100/650 = 64%

  5. Who have scored lowest total marks in all the subjects together ?
    A)Dinesh
    B)Faiz
    C)Easwar
    D)Balu
    E)None of these
    B)Faiz
    Explanation :

    Akilesh    66+75+88+56+56+90 = 431
    Balu         82+76+84+96+92+88 = 518
    Chinna    76+66+78+88+72+70 = 450
    Dinesh     90+88+96+76+84+86 = 520
    Easwar    64+70+68+72+68+74 = 416
    Faiz          48+56+50+64+64+58 = 340