4 workers complete a job in 20 days. At the same rate, how many days will 4 workers take?
Correct answer: A
Total work = 4Ã20=80 worker-days; time = 80/4=20 days.
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5 workers complete a job in 20 days. At the same rate, how many days will 4 workers take?
Correct answer: D
Total work = 5Ã20=100 worker-days; time = 100/4=25 days.
5 workers complete a job in 12 days. At the same rate, how many days will 4 workers take?
Correct answer: A
Total work = 5Ã12=60 worker-days; time = 60/4=15 days.
3 workers complete a job in 12 days. At the same rate, how many days will 3 workers take?
Correct answer: C
Total work = 3Ã12=36 worker-days; time = 36/3=12 days.
North region sales in three months are 120, 150 and 180. What is the total?
Correct answer: B
Total = 120+150+180 = 450.
South region sales are 100, 140 and 160. What is the range?
Correct answer: C
Range = highestâlowest = 160â100 = 60.
East region sales in three months are 80, 120 and 140. What is the total?
Correct answer: D
Total = 80+120+140 = 340.
West region sales are 150, 130 and 170. What is the range?
Correct answer: A
Range = highestâlowest = 170â130 = 40.
What is 32 Ã 4?
Correct answer: B
32 Ã 4 = 128.
What is 16 Ã 10?
Correct answer: D
16 Ã 10 = 160.
What is 44 Ã 5?
Correct answer: D
44 Ã 5 = 220.
What is 38 Ã 3?
Correct answer: C
38 Ã 3 = 114.
What is 15 Ã 11?
Correct answer: D
15 Ã 11 = 165.
What is 48 Ã 11?
Correct answer: C
48 Ã 11 = 528.
What is 14 Ã 10?
Correct answer: A
14 Ã 10 = 140.
What is 21 Ã 10?
Correct answer: D
21 Ã 10 = 210.
What is 47 Ã 12?
Correct answer: C
47 Ã 12 = 564.
What is 35 Ã 3?
Correct answer: D
35 Ã 3 = 105.
What is 51 Ã 5?
Correct answer: A
51 Ã 5 = 255.
What is 32 Ã 9?
Correct answer: A
32 Ã 9 = 288.
What is 27 Ã 4?
Correct answer: C
27 Ã 4 = 108.
What is 45 Ã 9?
Correct answer: A
45 Ã 9 = 405.
What is 30 Ã 11?
Correct answer: D
30 Ã 11 = 330.
What is 22 Ã 7?
Correct answer: A
22 Ã 7 = 154.
What is 14 Ã 12?
Correct answer: D
14 Ã 12 = 168.