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.
- 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 theseB)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
- What % of GIRLS are enrolled in all the 3 disciplines ?
A)4
B)3.3
C)2
D)3
E)None of theseC)2
Explanation :
G = 3
% = 3*100/150 = 2 - The number of girls enrolled in Computer Science only ?
A)21
B)24
C)10
D)11
E)None of theseD)11 - 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 theseA) 16.67%
Explanation :
B =28 G = 24
4*100/24 = 16.67 - 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 theseB)23.33
Explanation :28+21+21/3 = 23.33
II. Study the following information to answer the given questions
- How many students have scored the highest marks in more than one subjects ?
A)None
B)One
C)Two
D)Three
E)FourC)Two
Explanation :
Balu : 96 92
Dinesh : 90 88 - How many marks did Chinna get in all the subjects ?
A)405
B)440
C)540
D)450
E)None of theseD)450
Explanation :76+66+78+88+72+70 = 450 - What are the average marks obtained by all the students in Maths ?
A)77
B)76
C)67
D)70
E)None of theseA)77
Explanation :(88+84+78+96+68+50)/6 = 464/6 = 77.33 = 77 - Find an aggregate percentage of Easwar ?
A)46%
B)64%
C)44%
D)66%
E)None of theseB)64%
Explanation :
64+70+68+72+68+74 = 416
Total = 650
% = 416*100/650 = 64% - Who have scored lowest total marks in all the subjects together ?
A)Dinesh
B)Faiz
C)Easwar
D)Balu
E)None of theseB)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