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Quantitative Aptitude DI

Here we are providing new series of Quantitative Aptitude Questions for upcoming exams, so the aspirants can practice it on a daily basis.

Study the following information carefully and answer the questions given below.

The graph shows the percentage of buyers of India’s leading smartphones.

Buyers of Smartphones

The following table shows the buyers of smartphones age-wise.

1) The buyers comprising the female (below 25 years) and males (above 25 years) are 650 and 540 respectively for Mi. What will be the ratio between the males (below 25 years) and the females (above 25 years) for Mi?

a) 27: 26

b) 26: 27

c) 2: 3

d) 3: 2

e) None of these

2) If the total buyers of Oppo are 3000 and the total buyers comprising male (above 25 years) and female (below 25 years) are 950 for Apple, what is the total number of male (below 25 years) buys Apple?

a) 1000

b) 1190

c) 1200

d) 1240

e) None of these

3) If the total buyers comprising females (below 25 years) and male (above 25 years) are 400 and 600 respectively for Samsung, what is the total number of buyers of Realme?

a) 3000

b) 3400

c) 3900

d) 4200

e) None of these

4) The total buyers of Mi below 25 years and above 25 years are 850. What is the number of buyers for all the brands?

a) 3250

b) 4250

c) 3800

d) 4800

e) None of these

5) The total buyers of Samsung are 1050. What is the total number of male (above 25 years) buyers of Apple phone?

a) 450

b) 670

c) 870

d) Data inadequate

e) None of these

Answers :

1) Answer: B

Required ratio = (650 * 8/5 * 3/8): (540 * 7/4 * 3/7)

= 130: 135

= 26: 27

Hence the required answer = 26: 27

2) Answer: A

Total buyers of Apple = 3000/15 * 11 = 2200

Let x = number of Apple buyers below 25 years and y = number of Apple buyers above 25 years

x + y = 2200 --- (i)

4/9 * x + 3/8 * y = 950

32x + 27y = 68400 --- (ii)

From (i) and (ii), we get x = 1800

Total number of males who buys Apple (below 25 years) = 5/9 * 1800 = 1000

Hence the required answer = 1000

3) Answer: C

Total number of buyers for Samsung = (400/4 * 9) + (600/4 * 7) = 1950

Total number of buyers for Realme = 1950/14 * 28 = 3900

Hence the required answer = 3900

4) Answer: B

Required total = 850/20 * 100 = 4250

Hence the required answer = 4250

5) Answer: D

Total number of buyers of Apple phone = (1050/14) * 11 = 825

In the question, we only know the total buyers of apple and the total number of buyers above 25 years or below 25 years is not given. Hence the total number of males above 25 years cannot be determined.