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In a cement factory there are 95 workers, 57 workers support cash payment method and 76 workers support online payment method, If every worker support at least one payment method then find the number of workers who support both payment methods?

In a cement factory there are 95 workers, 57 workers support cash payment method and 76 workers support online payment method, If every worker support at least one payment method then find the number of workers who support both payment methods? Correct Answer 38

Given:

Total worker in the cement factory = 95

Number of workers support cash payment method = 57

Number of workers support online payment method = 76

Every worker support at least one payment method

Calculation:

Let the number of workers support both the payment methods be W

Total number of workers = Number of workers support cash payment method + Number of workers support online payment method – Number of workers support

both payment methods

95 = 57 + 76 – W

⇒ W = 133 – 95

⇒ W = 38

∴ The number of workers in the cement factory who support both the payment methods are 38.

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