4 workers complete a job in 12 days. At the same rate, how many days will 2 workers take?
Correct answer: C
Total work = 4Ã12=48 worker-days; time = 48/2=24 days.
0 correct out of 0 attempted (0%)
Correct answer: C
Total work = 4Ã12=48 worker-days; time = 48/2=24 days.
Correct answer: A
Total work = 5Ã15=75 worker-days; time = 75/5=15 days.
Correct answer: A
Total work = 5Ã20=100 worker-days; time = 100/1=100 days.
Correct answer: A
Total work = 2Ã15=30 worker-days; time = 30/2=15 days.
Correct answer: B
Total work = 4Ã8=32 worker-days; time = 32/2=16 days.
Correct answer: C
Total work = 5Ã10=50 worker-days; time = 50/2=25 days.
Correct answer: B
Total work = 5Ã15=75 worker-days; time = 75/1=75 days.
Correct answer: A
Total work = 5Ã10=50 worker-days; time = 50/1=50 days.
Correct answer: A
Total work = 4Ã20=80 worker-days; time = 80/4=20 days.
Correct answer: D
Total work = 5Ã20=100 worker-days; time = 100/4=25 days.
Correct answer: A
Total work = 5Ã12=60 worker-days; time = 60/4=15 days.
Correct answer: C
Total work = 3Ã12=36 worker-days; time = 36/3=12 days.
Correct answer: B
Total = 120+150+180 = 450.
Correct answer: C
Range = highestâlowest = 160â100 = 60.
Correct answer: D
Total = 80+120+140 = 340.
Correct answer: A
Range = highestâlowest = 170â130 = 40.
Correct answer: B
32 Ã 4 = 128.
Correct answer: D
16 Ã 10 = 160.
Correct answer: D
44 Ã 5 = 220.
Correct answer: C
38 Ã 3 = 114.
Correct answer: D
15 Ã 11 = 165.
Correct answer: C
48 Ã 11 = 528.
Correct answer: A
14 Ã 10 = 140.
Correct answer: D
21 Ã 10 = 210.
Correct answer: C
47 Ã 12 = 564.