# Quantitative Aptitude: Data Interpretation Set 3

Directions (1 – 5): Study the following line chart carefully and answer the questions that follow:

1. What is the ratio of sales of Phones in first six months to the ratio of sales of TV during the same period?
A) 260 : 233
B) 205 : 226
C) 234 : 243
D) 219 : 259
E) 213 : 256
Option D
Solution:

Sales of Phones in first six months = 657000
Sales of TV in first six months = 777000
2. In which months is the difference between the sales of the two products the same?
A) Jan, July and Dec
B) July, Aug and Nov
C) Feb, June and Aug
D) July, Sep and Nov
E) None of these
Option B
Solution:

Differences:
Jan = 9, Feb = 13, March = 15, April = 36, May = 15, June = 50, July = 40, Aug = 40, Sep = 12, Oct = 42, Nov = 40, Dec = 30
3. If the people who buy Phones are 20% more than the people who buy TV, then total sales of which product is minimum?
A) TV
B) Phones
C) Same for both products
D) Cannot be Determined
E) Can be any product
Option B
Solution:

People who like TV = x, then who like Phones = 120/100 Ã— x = 1.2x
Total sales of TV in all months = 1538 thousand
Total sales of Phones in all months = 1538 thousand
Sales of TV/person = 1538/x and
Sales of Phones/person = 1538/1.2x
So Sales of Phones/person is minimum.
4. In which month from Mar, May, July, Sep and Nov is the % rise in sales of TV the maximum compared to preceding month?
A) Mar
B) May
C) July
D) Sep
E) Nov
Option A
Solution:

Mar = 6/112 Ã— 100 = 5.35%
Similarly, May = 1.46%, July decreased, Sep = 4.38%, Nov = 3.42%
5. The sales of TV in the months of July and Aug together in what approximately percent less than the sales of same in the months May and June?
A) 11%
B) 23%
C) 16%
D) 19%
E) 26%
Option B
Solution:

[(139+173)-(127+114)]/ (139+173) Ã— 100 = (312 -241)/312 Ã— 100 = 23%

Directions (6- 10): Study the following carefully and answer the questions that follow:

1. If the number of male employees in department A is 12160, what is the number of employees in department D?
A) 29800
B) 28000
C) 32700
D) 34000
E) 32000
Option E
Solution:

38/100 Ã— x = 12160
So total employees in department A, x = 32000
Since % of employees in departments A and D is same
So employees in department D = 32000
2. In the number of employees in department D is 32000, then find the number of male employees in department B.
A) 16800
B) 14300
C) 15600
D) 14000
E) 11600
Option C
Solution:

16/100 Ã— x = 32000
So total employees in company, x = 200,000
So male employees in B = 52/100 Ã— 15/100 Ã— 200000
3. Find the ratio of male employees in department F to that in department C.
A) 21 : 11
B) 23 : 11
C) 25 : 13
D) 27 : 16
E) 19 : 9
Option B
Solution:

46 Ã— 21 : 42 Ã— 11
4. If the number of male employees in department A is 12160, then find the number of employees in department E.
A) 29100
B) 20100
C) 23400
D) 21000
E) 22000
Option E
Solution:

38/100 Ã— 16/100 Ã— x = 12160
So total employees in company, x = 200,000
So employees in department E = 11/100 Ã— 200,000 = 22,000
5. The number of employees in department B is 30, 000. If next year, the number of employees in departments B and G increase by 10% each, then find the number of male employees in department G next year.
A) 11560
B) 12760
C) 18340
D) 12540
E) 14360
Option B
Solution:

15/100 Ã— x = 30,000
So total employees in company in present year, x = 200,000
So total employees in G in present year = 10/100 Ã— 200,000 = 20,000
So total employees in G in next year = 110/100 Ã— 20,000 = 22,000
So male employees = 58/100 Ã— 22000 = 12760

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