Which of the following inferences is correct for the given graph?
A
2 robots can work 9 days.
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B
4 robots can work 20 days.
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C
4 robots can work 16 days.
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D
1 robot can work 3 days.
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Solution
The correct option is C 4 robots can work 16 days. Let’s write down 4 ordered pairs from the graph.
A - (3, 12)
B - (5, 20)
C - (8, 32)
D - (11, 44)
The relation from the given graph is:
Number of days = number of robots × 4
So, for 4 robots, the number of days will be 4 × 4 = 16.
Hence, 4 robots can work 16 days.