Quantitative Aptitude Quiz – 70 (D.I)

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Welcome To D2G’s. This post contains some Data Interpretation questions with proper explanations. Keep learning.

Directions (Q.Nos. 1-5) Study the following graph carefully and answer the questions given below.

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1. What is the difference between the total constructions(Constructed, demolished and redeveloped) in City Q and City T?
a) 125
b) 180
c) 175
d) 200
e) None of these

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Answer c) 175
Explanation:
Total construction in Q = 100 + 175 + 275 = 550
Total construction in T = 175 + 250 + 300 = 725
Now, Required difference = 725 – 550 = 175.

2. What is the average number of buildings demolished across the cities?
a) 100
b) 125
c) 132
d) 115
e) None of these

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Answer b) 125
Explanation:
Average of building demolished = (50 + 175 + 150 + 75 + 175) / 5 = 625/5 = 125.

3. The total number of buildings constructed across the cities is approximately what per cent of the total number of buildings re-developed across the cities?
a) 73
b) 74
c) 88
d) 79
e) 85

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Answer d) 79
Explanation:
Required percentage = (Total no. of buildings constructed)/(Total no. of buildings re-developed) * 100
= 1100 / 1400 * 100 = 79% (Approx.)

4. What is the approximation average number of construction(Constructions, demolished and re-developed) in the City R?
a) 156
b) 222
c) 198
d) 216
e) 208

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Answer e) 208
Explanation:
Average number of construction in city R = (150 + 225 + 250) / 3 = 625/3 = 208(Approx.)

5. What is the ratio of the number of buildings demolished in City T to the number of buildings re-developed in City P?
a) 7 : 12
b) 3 : 5
c) 2 : 3
d) 1 : 2
e) None of these

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Answer a) 7 : 12
Explanation:
Required ration = 175 / 300 = 7 : 12.

Directions ( Q.Nos. 6-10) Study the following table carefully to answer the questions that follow.

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6. Number of people participating in the fair from Town P in the year 2010 forms approximately what per cent of the total number of people participating in the fair from that Town over all the years together?
a) 19
b) 24
c) 27
d) 12
e) 15

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Answer a) 19
Explanation:
Required Percentage = 6.2 / (4.2 + 5.1 + 6.3 + 4.4 + 5.8 + 6.2) * 100 = 620 / 32 = 19% (Approx.)

7. What is the respective ratio of total number of people participating in the fair from Town S in the year 2006 and 2007 together to the number of people participating in the fair from Town R in the same years?
a) 8 : 9
b) 110 : 127
c) 136 : 143
d) 11 : 12
e) None of these

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Answer b) 110 : 127
Explanation:
Required ratio = (5.7 + 5.3) / (6.2 + 6.5) = 11 / 12.7 = 110 : 127.

8. What is the per cent increase in the number of people participating in the fair from Town T in the year 2009 from the previous year?(Rounded off to two digits after decimal)
a) 4.15
b) 3.77
c) 1.68
d) 2.83
e) None of these

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Answer b) 3.77
Explanation:
Required per cent increase = (5.5 – 5.3) / 5.3 = 2/53 * 100 = 3.77%.

9. What is the average number of people participating in the fair from Town U over all the years together?(Rounded off to the nearest integer.)
a) 515
b) 523
c) 567
d) 541
e) 538

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Answer e) 538
Explanation:
Required average = (5.7 + 6.2 + 6.6 + 5.1 + 4.4 + 4.3) / 6 * 100 = 3230/6 = 538(Approx.)

10. How many people participated in the fair from all the towns together in the year 2005?
a) 3290
b) 3100
c) 3240
d) 3170
e) None of these

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Answer d) 3170
Explanation:
Required answer = (4.2 + 5.5 + 4.5 + 5.8 + 6.0 + 5.7) * 100 = 3170.

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D2G’s Team..