Free Practice Question
PS · Problem Solving
555-605
Work Rate Problems
If John and Jack collaborate, they can produce 30 pages in one hour. Should Jack enhance his typing speed by 60%, they would manage to produce 36 pages in the same time. What is the ratio of Jack's regular typing speed to John's?
Answer Choices
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1/4
B
1/3
C
1/2
D
3/5
E
2/3
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Explanation
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PratyushApr 17, 2024
thanks for the answer
Details
Difficulty
555-605
Type
PS
Category