Q.1 The following table shows the production of cars by five companies (A, B, C, D, E) over four years. Study the table and answer the question. | Company | 2019 | 2020 | 2021 | 2022 | |---------|------|------|------|------| | A | 120 | 130 | 125 | 140 | | B | 100 | 105 | 110 | 115 | | C | 90 | 95 | 100 | 105 | | D | 80 | 85 | 90 | 95 | | E | 70 | 75 | 80 | 85 | Question: What is the average production of company A over these four years?
128.75
130
125
127.5
Explanation - Average = (120 + 130 + 125 + 140)/4 = 515/4 = 128.75
Correct answer is: 128.75
Q.2 Using the same table above, which company showed the maximum increase in production from 2019 to 2022?
A
B
C
D
Explanation - Increase for A = 140-120 = 20, B = 115-100=15, C=105-90=15, D=95-80=15. Max increase is 20 for A.
Correct answer is: A
Q.3 If company B wants to reach an average production of 120 over the next 5 years, what should be the total production over these years?
600
620
625
610
Explanation - Average = Total/5 → Total = 120*5 = 600
Correct answer is: 600
Q.4 In 2022, the total production of all companies was?
540
545
560
570
Explanation - Total = 140+115+105+95+85 = 540
Correct answer is: 540
Q.5 Company C's production as a percentage of total production in 2021 was?
20%
21%
22%
23%
Explanation - Total in 2021 = 125+110+100+90+80=505. Percentage = (100/505)*100 ≈ 19.8 ≈ 20%
Correct answer is: 20%
Q.6 If company D increased its 2022 production by 10%, what will be its new production?
104.5
105
110
100
Explanation - New production = 95 + 10% of 95 = 95 + 9.5 = 104.5
Correct answer is: 104.5
Q.7 The ratio of total production of company A to company E over 4 years is?
23:13
25:14
20:11
22:12
Explanation - A total = 515, E total = 310, Ratio = 515:310 = 23:13
Correct answer is: 23:13
Q.8 Which company had the least growth rate from 2019 to 2022?
A
B
C
E
Explanation - Growth rate = (85-70)/70 *100 ≈ 21.43%, which is least among all companies.
Correct answer is: E
Q.9 If company B's production in 2022 represents 20% of total production of all companies in 2022, then the total production should be?
575
600
580
590
Explanation - B=115, 115 = 20% of total → Total = 115/0.2 = 575
Correct answer is: 575
Q.10 The average yearly production of all companies together is?
520
525
530
535
Explanation - Total over 4 years = (120+100+90+80+70)+(130+105+95+85+75)+(125+110+100+90+80)+(140+115+105+95+85)=2100. Average per year = 2100/4=525
Correct answer is: 525
Q.11 If companies A and B merge, their combined production in 2021 would be?
235
230
225
240
Explanation - A + B = 125 + 110 = 235
Correct answer is: 235
Q.12 The difference between the highest and lowest production in 2020 is?
55
50
45
60
Explanation - Highest=130 (A), Lowest=75 (E), Difference = 130-75=55
Correct answer is: 55
Q.13 Which company has a consistent increase of 5 units every year?
B
C
D
E
Explanation - C: 90→95→100→105, increase = 5 each year
Correct answer is: C
Q.14 If the total production of 2023 is expected to grow by 10% for all companies, what would be the expected production of company E?
93.5
92
94
95
Explanation - 2022 production=85, 10% increase = 85*0.1=8.5, Total=85+8.5=93.5
Correct answer is: 93.5
Q.15 Company D contributes what fraction of the total production in 2019?
2/11
1/6
3/11
1/5
Explanation - D=80, total=120+100+90+80+70=460, fraction=80/460=2/11
Correct answer is: 2/11
Q.16 If company A wants to reduce its production by 10% in 2023, what will be the new production?
126
128
125
130
Explanation - 2022 production=140, 10% reduction = 14, new production=140-14=126
Correct answer is: 126
Q.17 Which year saw the highest combined production across all companies?
2019
2020
2021
2022
Explanation - Total 2022 = 140+115+105+95+85=540, higher than previous years.
Correct answer is: 2022
Q.18 The percentage increase of total production from 2019 to 2022 is?
17.39%
15%
16%
18%
Explanation - Total 2019=120+100+90+80+70=460, Total 2022=540, Increase=540-460=80, %increase=(80/460)*100≈17.39%
Correct answer is: 17.39%
Q.19 If a company F produced 50 units each year, what would be its contribution percentage in 2022?
9.26%
8.5%
10%
9%
Explanation - Total 2022=540, F=50, percentage=50/540*100≈9.26%
Correct answer is: 9.26%
Q.20 The average yearly increase of company B is?
5 units
3.33 units
4 units
3 units
Explanation - Increase from 2019-2022 = 115-100=15, average yearly increase=15/3=5 units
Correct answer is: 5 units
Q.21 If the production of company C is doubled in 2023, what would be the new production?
210
200
220
205
Explanation - 2022 production = 105, doubled = 105*2=210
Correct answer is: 210
Q.22 What is the total combined production of companies D and E in 2021?
170
175
165
180
Explanation - D=90, E=80, total=90+80=170
Correct answer is: 170
Q.23 The difference in total production between companies A, B, C and companies D, E in 2022 is?
180
185
190
175
Explanation - A+B+C=140+115+105=360, D+E=95+85=180, Difference=360-180=180
Correct answer is: 180
Q.24 If the total production of company A over 4 years was equally distributed each year, what would be the yearly production?
128.75
130
125
127.5
Explanation - Total A=120+130+125+140=515, Yearly average=515/4=128.75
Correct answer is: 128.75
Q.25 Company E's production as a fraction of total production in 2022 is?
85/540
80/540
90/540
75/540
Explanation - E=85, total=540, fraction=85/540
Correct answer is: 85/540