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Compound Proportions And Rates Of Work Questions and Answers
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Three people A,B and C can do a piece of work in 45 hours,40hours and 30hours respectively.How long can B take to complete the remaining work alone,if he starts after A and C have worked for 13hours each?
asked
Mar 28
in
Mathematics Form 3
by
Nbacalvo
compound proportions and rates of work
0
votes
0
answers
mogaka and Onduso working together can do a piece of work in six days.mogaka , working alone takes five days longer than Onduso. How many days does it take Onduso to work alone?
asked
Dec 28, 2021
in
Mathematics Form 3
by
judge
compound proportions and rates of work
0
votes
1
answer
Two pipes A and B can fill an empty tank in 3hrs and 5hrs respectively. Pipe C can empty the tank in 4hrs. If the three pipes A, B and C are opened at the same time find how long it will take for the tank to be full.
asked
Aug 13, 2021
in
Mathematics Form 1
by
anonymous
compound proportions and rates of work
0
votes
6
answers
Five people can build 3 huts in 21 days. Find the number of people, working at the same rate that will build 6 similar huts in 15 days
asked
Jul 22, 2021
in
Mathematics Form 3
by
Roseruguru
rates and proportions
compound proportions and rates of work
0
votes
1
answer
A construction company employs technicians and artisans. On a certain 3 technicians and 2 artisans were hired and paid a total of Ksh 9,000.
asked
Jul 21, 2021
in
Mathematics Form 3
by
anonymous
compound proportions and rates of work
0
votes
1
answer
A water vendor has a tank of capacity18,9000 litres. The tank is being filled with water from two pipes A and B which are closed immediately when the tank is full. Water flows at the rate 150,000cm3/minute through pipe B.
asked
Jul 21, 2021
in
Mathematics Form 3
by
anonymous
compound proportions and rates of work
0
votes
1
answer
Peter, John and Ronny working together take 30 minutes to slash a piece of land. peter and Ronny together take 40 minutes while peter and John together take 45 minutes. How long would each one of them take to slash the same piece of land
asked
Jun 30, 2021
in
Mathematics Form 3
by
anony mous
compound proportions and rates of work
ratios and rates of work
mixtures
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