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A plumber can be paid according to the f...

A plumber can be paid according to the following schemes, In the first scheme he will be paid rupees 500 plus rupees 70 per hour, and in the second scheme he will paid 120 rupees per hour. If he works x hours. Then for what value of x does the first scheme give better wages?

Text Solution

Verified by Experts

The correct Answer is:
` rArr 10 gt x rArr x lt 10 `
` therefore ` Number of hours should be less then ten hours .
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A plumber can be paid according to the following schemes. In the first scheme he will be paid rupees 500 plus rupees 70 per hour, and in the second scheme he will paid rupees 120 per hour. If he works x hours, then for what value of x does the first scheme give better wages?

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Knowledge Check

  • Assertion (A) : A plumber will be paid according to following schemes : In first scheme he will be paid ₹500 plus ₹70 her hour and in the second scheme he will paid ₹120 per hour. If he work for less than 10 hours the first scheme give better wages. Reason (R) : In the first scheme he will get a fixed ₹500 whereas longer than 10 hours second scheme will pay more.

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true and R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

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