Continue Practice Exam Test Questions Part hours. How long will it take to fill an empty
4 of the Series tank with all pipes operation?
Choose the letter of the best answer in each A. 7 hrs and 12 mins.
questions.
B. 7 hrs and 32 mins.
151. A pump can pump out water from a
tank in 11 hours. Another pump can pump C. 7 hrs and 42 mins.
out water from the same tank in 20 hours.
How long will it take both pumps to pump D. 7 hrs and 50 mins.
out the water in the tank?
155. If A can do the work in “x” days and B
A. 7 hours in “y” days, how long will they finish the job
working together?
B. 6 hours
A. (x + y)/xy
C. 7 1/2 hours
B. (x + y)/2
D. 6 1/2 hours
C. (xy)/(x + y)
152. A 400-mm pipe can fill the tank alone in
5 hours and another 600-mm pipe can fill the D. Sqrt(x)
tank alone in 4 hours. A drain pipe 300-mm
can empty the tank in 20 hours. With all the 156. Pedro can paint a fence 50% faster than
three pipes open, how long will it take to fill Juan and 20% faster than Pilar, and together
the tank? they can paint a given fence in 4 hours. How
long will it take Pedro to paint the same
A. 2.00 hours fence if he had to work alone?
B. 2.50 hours A. 6
C. 2.25 hours B. 8
D. 2.75 hours C. 10
153. A tank is filled with an intake pipe in 2 D. 12
hours and emptied by an outlet pipe in 4
hours. If both pipes are opened, how long 157. Glenn can paint a house in 9 hours
will it take to fill the empty tank? while Stewart can paint the same house in
16 hours. They work together for 4 hours.
A. 3 hours After 4 hours, Stewart left and Glenn finished
the job alone. How many more days did it
B. 4 hours take Glenn to finish the job?
C. 5 hours A. 2.75 hours
D. 6 hours B. 2.50 hours
154. A tank can be filled in 9 hours by one C. 2.25 hours
pipe, 12 hours by second pipe and can be
drained when fully by a third pipe in 15 D. 3.00 hours
, 158. It takes Butch twice as long as it takes D. 14 hours
Dan to do a certain piece of work. Working
together they can do the work in 6 days. 162. Mike, Loui and Joy can mow the lawn in
How long would it take Dan to do it alone? 4, 6 and 7 hours respectively. What fraction
of the yard can they mow in 1 hour if they
A. 9 days work together?
B. 10 days A. 47/84
C. 11 days B. 45/84
D. 12 days C. 84/47
159. A and B working together can finish D. 39/60
painting a house in 6 days. A working alone
can finish it in 5 days less than B. How long 163. A farmer can plow the field in 8 days.
will it take each of them to finish the work After working for 3 days, his son joins him
alone? and together they plow the field in 3 more
days. How many days will it require for the
A. 8, 13 son to plow the field alone?
B. 10, 15 A. 10
C. 6, 11 B. 11
D. 7, 12 C. 12
160. A and B can do a piece of work in 42 D. 13
days, B and C in 31 days and C and A in 20
days. In how many days can all of them do 164. Crew no.1 can finish installation of an
the work together? antenna tower in 200 man-hour while Crew
no.2 can finish the same job in 300 man-
A. 19 hour. How long will it take both crews to
finish the same job, working together?
B. 17
A. 100 man-hour
C. 21
B. 120 man-hour
D. 15
C. 140 man-hour
161. It takes Myline twice as long as Jeana
to do a certain piece of work. Working D. 160 man-hour
together, they can finish the work in 6 hours.
How long could it take Jeana to do it alone? 165. On one job, two power shovels
excavate 20,000 cubic meters of earth, the
A. 9 hours larger shovel working 40 hours and the
smaller for 35 hours. On another job, they
B. 18 hours removed 40,000 cubic meters with the larger
shovel working 70 hours and the smaller
C. 12 hours working 90 hours. How much earth can each
remove 1 hour working alone?
4 of the Series tank with all pipes operation?
Choose the letter of the best answer in each A. 7 hrs and 12 mins.
questions.
B. 7 hrs and 32 mins.
151. A pump can pump out water from a
tank in 11 hours. Another pump can pump C. 7 hrs and 42 mins.
out water from the same tank in 20 hours.
How long will it take both pumps to pump D. 7 hrs and 50 mins.
out the water in the tank?
155. If A can do the work in “x” days and B
A. 7 hours in “y” days, how long will they finish the job
working together?
B. 6 hours
A. (x + y)/xy
C. 7 1/2 hours
B. (x + y)/2
D. 6 1/2 hours
C. (xy)/(x + y)
152. A 400-mm pipe can fill the tank alone in
5 hours and another 600-mm pipe can fill the D. Sqrt(x)
tank alone in 4 hours. A drain pipe 300-mm
can empty the tank in 20 hours. With all the 156. Pedro can paint a fence 50% faster than
three pipes open, how long will it take to fill Juan and 20% faster than Pilar, and together
the tank? they can paint a given fence in 4 hours. How
long will it take Pedro to paint the same
A. 2.00 hours fence if he had to work alone?
B. 2.50 hours A. 6
C. 2.25 hours B. 8
D. 2.75 hours C. 10
153. A tank is filled with an intake pipe in 2 D. 12
hours and emptied by an outlet pipe in 4
hours. If both pipes are opened, how long 157. Glenn can paint a house in 9 hours
will it take to fill the empty tank? while Stewart can paint the same house in
16 hours. They work together for 4 hours.
A. 3 hours After 4 hours, Stewart left and Glenn finished
the job alone. How many more days did it
B. 4 hours take Glenn to finish the job?
C. 5 hours A. 2.75 hours
D. 6 hours B. 2.50 hours
154. A tank can be filled in 9 hours by one C. 2.25 hours
pipe, 12 hours by second pipe and can be
drained when fully by a third pipe in 15 D. 3.00 hours
, 158. It takes Butch twice as long as it takes D. 14 hours
Dan to do a certain piece of work. Working
together they can do the work in 6 days. 162. Mike, Loui and Joy can mow the lawn in
How long would it take Dan to do it alone? 4, 6 and 7 hours respectively. What fraction
of the yard can they mow in 1 hour if they
A. 9 days work together?
B. 10 days A. 47/84
C. 11 days B. 45/84
D. 12 days C. 84/47
159. A and B working together can finish D. 39/60
painting a house in 6 days. A working alone
can finish it in 5 days less than B. How long 163. A farmer can plow the field in 8 days.
will it take each of them to finish the work After working for 3 days, his son joins him
alone? and together they plow the field in 3 more
days. How many days will it require for the
A. 8, 13 son to plow the field alone?
B. 10, 15 A. 10
C. 6, 11 B. 11
D. 7, 12 C. 12
160. A and B can do a piece of work in 42 D. 13
days, B and C in 31 days and C and A in 20
days. In how many days can all of them do 164. Crew no.1 can finish installation of an
the work together? antenna tower in 200 man-hour while Crew
no.2 can finish the same job in 300 man-
A. 19 hour. How long will it take both crews to
finish the same job, working together?
B. 17
A. 100 man-hour
C. 21
B. 120 man-hour
D. 15
C. 140 man-hour
161. It takes Myline twice as long as Jeana
to do a certain piece of work. Working D. 160 man-hour
together, they can finish the work in 6 hours.
How long could it take Jeana to do it alone? 165. On one job, two power shovels
excavate 20,000 cubic meters of earth, the
A. 9 hours larger shovel working 40 hours and the
smaller for 35 hours. On another job, they
B. 18 hours removed 40,000 cubic meters with the larger
shovel working 70 hours and the smaller
C. 12 hours working 90 hours. How much earth can each
remove 1 hour working alone?
