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A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools is
- a)3 hours 20 minutes
- b)3 hours 30 minutes
- c)3 hours
- d)2 hours 10 minutes
Correct answer is option 'B'. Can you explain this answer?
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Calculation:
To calculate the time needed to cut 168 tools, we can use the concept of direct proportionality.
Given:
Machine can cut 240 tools in 5 hours
Let x be the time needed to cut 168 tools:
Using the concept of direct proportionality:
Number of tools is directly proportional to the time taken to cut them.
Therefore, we can set up the proportion as follows:
240 tools → 5 hours
168 tools → x hours
Solving the proportion:
(240 tools) / (5 hours) = (168 tools) / (x hours)
x = (168 tools * 5 hours) / 240 tools
x = 14 * 5 / 24
x = 3 hours 30 minutes
Therefore, the time needed to cut 168 tools is 3 hours and 30 minutes, which matches with option 'B'.
To calculate the time needed to cut 168 tools, we can use the concept of direct proportionality.
Given:
Machine can cut 240 tools in 5 hours
Let x be the time needed to cut 168 tools:
Using the concept of direct proportionality:
Number of tools is directly proportional to the time taken to cut them.
Therefore, we can set up the proportion as follows:
240 tools → 5 hours
168 tools → x hours
Solving the proportion:
(240 tools) / (5 hours) = (168 tools) / (x hours)
x = (168 tools * 5 hours) / 240 tools
x = 14 * 5 / 24
x = 3 hours 30 minutes
Therefore, the time needed to cut 168 tools is 3 hours and 30 minutes, which matches with option 'B'.
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Question Description
A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools isa)3 hours 20 minutesb)3 hours 30 minutesc)3 hoursd)2 hours 10 minutesCorrect answer is option 'B'. Can you explain this answer? for Teaching 2026 is part of Teaching preparation. The Question and answers have been prepared according to the Teaching exam syllabus. Information about A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools isa)3 hours 20 minutesb)3 hours 30 minutesc)3 hoursd)2 hours 10 minutesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Teaching 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools isa)3 hours 20 minutesb)3 hours 30 minutesc)3 hoursd)2 hours 10 minutesCorrect answer is option 'B'. Can you explain this answer?.
A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools isa)3 hours 20 minutesb)3 hours 30 minutesc)3 hoursd)2 hours 10 minutesCorrect answer is option 'B'. Can you explain this answer? for Teaching 2026 is part of Teaching preparation. The Question and answers have been prepared according to the Teaching exam syllabus. Information about A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools isa)3 hours 20 minutesb)3 hours 30 minutesc)3 hoursd)2 hours 10 minutesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Teaching 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A machine can cut 240 tools in 5 hours. Time needed to cut 168 tools isa)3 hours 20 minutesb)3 hours 30 minutesc)3 hoursd)2 hours 10 minutesCorrect answer is option 'B'. Can you explain this answer?.
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