Sunday, 30 July 2017

Data Interpretation


Directions (1-5): Answer the questions on the basis of the information given below.

Table I shown below represent the grades obtained by ten different students in five different subjects.



Table II represents the range of marks for which a candidate would obtain a specific range. For example, a candidate scoring 95 marks in any subject will receive an A+ grade in that subject.


Note: The marks scored by any student in any subject is an integer.

1. If Pooja has scored the minimum possible marks, then find the percentage marks of Pooja?
(a) 70%
(b) 75%
(c) 60%
(d) 80%
(e) 65%

Answer (1-5):
L = lower limit
U = upper limit
The lower limit and upper limit of marks for students can be calculated for illustration.


1. (b)
Total minimum marks of Pooja = 375
Total maximum marks = 500
Required % = 375/500*100=75%

2. Find the minimum possible total marks which could have been scored by all the ten candidates in Employment Law.
(a) 659
(b) 750
(c) 650
(d) 656
(e) None of the above

2. (a)
Subject: Employment Law
L = 2(91) + 3(81) + 2(71) + 1(51) + 1(41) + 1(0) = 182 + 243 + 142 + 51 + 41 + 0 = 659

3. Which of the following cannot be the marks scored by Vishakha in all the five subjects combined?
(a) 420
(b) 375
(c) 360
(d) Both (a) and (b)
(e) None of the above

3. (c)
Vishakha cannot score less than 375.

4. The total marks scored (in all the five subjects) by how many candidates must be less than 450?
(a) 1
(b) 0
(c) 10
(d) 8
(e) Cannot be determined

4. (c)
The upper limit of the marks for all the candidates is less than 450. So, all the candidates must have obtained total marks less than 450.

5. If Divyanshu scores more than Ritu, which of the following cannot be the marks scored by Divyanshu?
(a) 345
(b) 350
(c) 355
(d) 348
(e) All of the above

5. (e)
Divyanshu – [345, 390]
Ritu       - [355, 400]
Divyanshu must score more than 355. He cannot score, 345 or 348 or 350 or 355. 

Directions (6-10): study the following graph carefully to answer the given questions

 

6. If the quantity sold of item D increases by 50% and the price reduces by 10%, then what is the total value of the quantity sold of item D?
(a) 675 
(b) 6750 
(c) 67550
(d) 67500 
(e) None of these


7. Approximately, what is the average price per kg of item A, B and C?
(a) 9.50
(b) 8 
(c) 7.50
(d) 9 
(e) 11.66


8. What is the ratio of the total value of quantity sold of item E to that of item F?
(a) 15 : 14 
(b) 3 : 2 
(c) 5 : 7
(d) 7 : 5 
(e) None of these


9. The value of the quantity sold of item C is what percent of the total value of the quantity sold of item E?
(a) 111% 
(b) 85% 
(c) 90%
(d) 87.5% 
(e) None of these


10. If the price as well as the quantity sold is increased by 20% for item A, then what is the total value of quantity sold of item A?
(a) 48500 
(b) 49000 
(c) 42000
(d) 50400 
(e) None of these



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