there are 40 papers of students of a class to be checked by two teachers Mr Ashoka can check 5 papers papers in an hour and Mrs Meena can check four papers in an hour if Mr Ashoka spends 3 hours in checking the paper and Mrs Meena works for 2 hours what percentage of the paper will be checked in all??
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Answer:
Step-by-step explanation:
Mr. ashok= 5paper per hour
Mrs meena= 4 paper in one hour
total papers=40
time spent by ashok=3 hours
time spent by meena=2 hours
paper checked in 3 hrs by ashok= 3x5=15
paper checked in2 hrs by meena=4x2=8
total paper checked=23
percentage of paper checked = paper cheked /total peper x 100
=23/40 x 100
57.5%
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