A factory requires 42 machines to produce a given number of articles in 63 days.
The number of machines required to produce the same number of articles in 54 days is 48.

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Solution

The correct option is B
49

As number of machines increases, the number of days required to make articles decreases.

Using inverse proportion condition,

$42 \times 63 = 54 \times n$ (where n is the number of machines)

n = 49

So, 49 machines are required.
Hence, the statement is false.

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A factory requires 42 machines to produce a given number of articles in 63 days. The number of machines required to produce the same number of articles in 54 days is 48.

The correct option is B 49 As number of machines increases, the number of days required to make articles decreases. Using inverse proportion condition, 42×63=54×n (where n is the number of machines) n = 49 So, 49 machines are required. Hence, the statement is false.

A factory requires 42 machines to produce a given number of articles in 63 days.
The number of machines required to produce the same number of articles in 54 days is 48.

The correct option is B
49

As number of machines increases, the number of days required to make articles decreases.

Using inverse proportion condition,

$42 \times 63 = 54 \times n$ (where n is the number of machines)

n = 49

So, 49 machines are required.
Hence, the statement is false.