RRB Government Jobs Exams Verbal Ability Miscellaneous

The efficiency of the first machine tool is 20% less than that of the 2nd one. The first machine tool operated for 5 hours, whereas, the second oneoperated for 4 hours and together they machined 4000 work pieces. Find thenumber of work-pieces machined by the first machine too

Read Solution (Total 2)

let work pieces completed by 2nd machine=x
,, ,, ,, 1st machine=80/100x=4/5x

actq 5*4/5x+4x=4000

x=500 so work piece completed by 1st machine=5*4/5*500=2000
7 years agoHelpfull: Yes(0) No(1)

1st machine make 400 pieces
5 years agoHelpfull: Yes(0) No(0)

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