Multiple Choice Questions on An order was placed for the supply of a carpet whose breadth was 6 m and length was 1 44 times the b........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

An order was placed for the supply of a carpet whose breadth was 6 m and length was 1 44 times the b...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    An order was placed for the supply of a carpet whose breadth was 6 m and length was 1.44 times the breadth. What be the cost of a carpet whose length and breadth are 40% more and 25% more respectively than the first carpet. Given that the ratio of carpet is Rs. 45 per sq m?

    Rs. 3642.40

    Incorrect Answer

    Rs. 3868.80

    Incorrect Answer

    Rs. 4216.20

    Incorrect Answer

    Rs. 4082.40

    Correct Answer
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    Explanation:

    Length of the first carpet = (1.44)(6) = 8.64 cm
    Area of the second carpet = 8.64(1 + 40/100) 6 (1 + 25/100)
    = 51.84(1.4)(5/4) sq m = (12.96)(7) sq m
    Cost of the second carpet = (45)(12.96 * 7) = 315 (13 - 0.04) = 4095 - 12.6 = Rs. 4082.40

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