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Q.
123 typists typeed 984 papers in 1/15 hour. The number of papers typed for minute by a average typist is:
A.
1
B.
2
C.
3
D.
5
View Answer
Correct choice: B
Explanation:
Use unitary method: In \inline \frac{1}{15} hours, 123 typists can type 984 paper In 1 minute, 123 typists can type \inline \frac{984}{4} = 246 papers In 1 minute, 1 typist can type \inline \frac{246}{123} =2 papers [ Hint \inline \frac{1}{15} hours = 4 minutes]
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