# Quantitative Aptitude: Data Interpretation Questions Set 119

Directions(1-5): Given below is the table that shows the number of books sold from five stores on five days. Study the table carefully to answer the question. 1. Total numbers of books sold from store B on Tuesday and Wednesday together are what percent more or less than total books sold from stores C & D together on Monday?
27( 3/11)%
27( 3/11)%
27( 3/11)%
27( 3/11)%
27( /10)%
Option D
Required percentage = [ (85 + 55) − (36 + 74)]/ (36 + 74) ×100 = 30/110 ×100 = 27( 3/11)%

2. What is the average number of books sold from stores B on Sunday, C on Tuesday and E on Thursday ?
90
78
85
97
88
Option C
Required average = 1/ 3 (89 + 82 + 84) = 1/ 3 ×255 = 85

3. Find the difference in total number of books sold from stores C and E together on Tuesday and From store B on Monday and Thursday together?
75
70
67
61
76
Option D
Required difference = (82 + 90) – (57 + 54) = 172 – 111 = 61

4. What is the ratio of total number of books sold from store D on Sunday, Monday and Tuesday together to that sold from store E on Tuesday, Wednesday and Thursday together.
5:9
7:5
9:10
13:16
11:13
Option E
Required ratio = [68 + 74 + 78]/[90 + 86 + 84] = 220 /260 = 11:13

5. Number of books sold on Friday from stores C and D increased by 15% and 20% respectively as compared to that sold on previous day. What number of books the stores C & D sold on Friday?
110
145
160
167
125
Option C
Total books sold on Friday from Store C & D = 115/ 100 ×40 + 120/ 100 ×95 = 46 + 114 = 160

6. Directions(6-10): Study the following Pie Graph carefully and answer the questions given below. Cost estimated by a family in renovation of its house. 7. If out of estimated cost for curtains & Cushions, only 87.5% was spent, find the amount saved from the amount estimated for the curtains & cushions.
2600
2800
3400
3000
3100
Option D
Amount saved = 10/ 100 × 240000 × 12.5/ 100 = 3000

8. Family gets 25% discount on Grills and Windows, the amount save by this, spent on Painting. Then Find, actual spent on painting is by what percent more than the estimate cost on painting.
19.51%
20.24%
12.15%
17.14%
16.66%
Option E
Estimated cost on Grills & Windows → 10%
Actual cost on Grills & Windows → 75 /100 × 10% = 7.5%
Saved → 2.5%
Required percent = 2.5/ 15 × 100 = 16.66%

9. Estimated cost on Architect fees is how much less than the estimated cost on flooring?
7200
6500
6100
7000
8800
Option A
14% − 11% = 3% 𝑜𝑓 240000 = 7200

10. Actual cost incurred on furniture is 33600, it is adjusted by reducing the estimated cost on Miscellaneous. By what percent we should reduce the estimated cost on Miscellaneous than what previously estimated for this?
10.7%
12.5%
14.4%
15.5%
13.6%
Option B
Extra amount spent on Furniture = 33600 – 13/100 × 240000
= 33600 − 31200
= 2400 = 1 % of total amount
Now spending Miscellaneous = 8% – 1% = 7%
Required % = 1/8 × 100 = 12.5%

11. What is the average estimated cost on painting and Flooring?
56190
44567
34520
34800
45610
Option D
Average estimated cost on Painting and Flooring = (14 + 15)/ 2 % 𝑜𝑓 240000 = 34800