IBM
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Numerical Ability
Percentage
a company has offices in 2 buildings.53% of the copying machines in the 1st building and 48% of the copying machines in the 2nd building received preventive maintanance last month. if 42% of the company copying machines are in the 1st building then what % of all the copying machines received preventive maintanance last month?
Read Solution (Total 2)
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- let there are 100 machines in first building.then 42% means 42 machines,then 42*53/100 %=22.26% recieved preventive maintanance in 1st.and 58*48/100 %=27.84% recieved in 2nd.so (22.26+27.84)/100*100%=50.1% or 50%.
am i right? - 11 years agoHelpfull: Yes(57) No(5)
- plz provide the solution..........ayshu.530@gmail.com
- 10 years agoHelpfull: Yes(0) No(0)
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