100+ Tabulation Data Interpretation Questions and Answers - 1
The following table gives the percentage of marks obtained by 7 students in 6 different subjects in an examination. Study the table and answer the questions based on it.
Question: 1
What was the aggregate of marks obtained by Sajal in all the six subjects?
(A) 429
(B) 439
(C) 449
(D) 459
Ans: C
Aggregate marks obtained by Sajal
= (90% of 150) + (60% of 130) + (70% of 120) + (70% of 100) + (90% of 60) + (70% of 40)
= (135 + 78 + 84 + 70 + 54 + 28) = 449.
Question: 2
The number of students who obtained 60% and above marks in all the subjects is
(A) 1
(B) 2
(C) 3
(D) 4
Ans: B
From the given table it is clear that Sajal and Rohit obtained 60% or more marks in each of the 6 subjects.
Question: 3
What is the overall percentage of Tarun?
(A) 55%
(B) 60%
(C) 63%
(D) 64.5%
Ans: B
Aggregate marks obtained from Tarun
= (65% of 150) + (35% of 130) + (50% of 120) + (77% of 100) + (80% of 60) + (80% of 40)
= (97.5 + 44.5 + 60 + 77 + 48 + 32) = 360.
Total maximum marks of all the 6 subjects
= (150 + 130 + 120 + 100 + 60 + 40) = 600.
Overall percentage of Tarun = $$({360}/{600} × 100)%$$ = 60%.
Question: 4
What are the average marks obtained by all the seven students in Physics? (rounded off to two digits after decimal)
(A) 77.26
(B) 79.14
(C) 89.14
(D) 91.37
Ans: C
Total marks obtained in Physics by all the 7 students
= (90% of 120) + (80% of 120) + (70% of 120) + (80% of 120) + (85% of 120) + (65% of 120) + (50% of 120)
= (108 + 96 + 84 + 96 + 102 + 78 + 60) = 624.
∴ Average marks obtained by them in Physics = $${624} / {7}$$ = 89.14.
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