Question
Download Solution PDFTypist P can type a sheet in 6 minutes, typist Q in 7 minutes and typist R in 9 minutes. The average number of sheets typed per hour per typist if all three typists are typing, is ____________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Typist P can type a sheet in 6 minutes, typist Q in 7 minutes and typist R in 9 minutes.
Concept used:
1 hour = 60 minutes
Total = Average × Number of entities
Calculation:
In 60 minutes, i.e., 1 hour,
Typist P can type = 60/6 = 10 sheets
Typist Q can type = 60/7 = 60/7 sheets
Typist R can type = 60/9 = 20/3 sheets
Total typed sheets in 1 hour = 10 + 60/7 + 20/3 = 530/21
The average number of sheets typed per hour per typist if all three typists are typing
⇒ (530/21) ÷ 3
⇒ 530/63
∴ The average number of sheets typed per hour per typist if all three typists are typing is 530/63.
Last updated on May 31, 2025
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