Related Questions

A computer can perform 30 identical tasks in 6 hour. At that rate, what is the minimum number of computers that should be assigned to complete 80 of the tasks within 3 hours?
A 12
B 7
C 6
D 16
A factory that employs 1000 assembly -in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. whatis the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
A 1,85,000
B 1,58,12,5
C 14547
D 4752547
A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn hour under the new system?
A 1/10
B x/9
C 9x/10
D 10x/9
A business firm reduces the number of hours its emplyess work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn per hour under the new system?
A 1/10
B x/9
C 9x/10
D 10x/9
If a women is paid Tk. m per hour for every hour she works up to 8 hours and is paid double for every hour she works after 8 hours, how many Tk. will she be paid for working 13 hours?
A 13 m
B 18 m
C 6
D 8
A worker is paid Tk. d an hour for the first 8 hours she works in a day. For every hour after the first 8 hours, she is paid Tk. c an hour. If she works 12 hours in one day, what is her average hourly wage for that day?
A (4d+80)/12
B 8d+4c
C (8d+12c)/12
D (2d+c)/3
A worker is paid d Dollar an hour for the first 8 hours. Four every hour after the first 8 hours, she is paid c dollars an hour. If she works 12 hours in one day, what is the average hourly wage for that day?
A 8d+4c
B (2d+c)/3
C d+(1/3)c
D (4d+8c)/12
A motorist must complete 180-mile trip is 4 hours. If he averages 50 miles an hour for the first three hours of the trip , how fast must ( in terms of mile per hour ) he travel in the last hour ?
A 30
B 32
C 40
D None of these
A truck driver must complete a 180 mile trip in 4 hours. If he drives average 50 miles an hour hour for the first three hours of his trip, how fast must he travel in the final hour?
A 30 mph
B 35 mph
C 40 mph
D 45 mph
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq

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