Multiple Choice Questions on The base of a triangular field is two times its altitude If the cost of cultivating at Rs 25 per hec........... for CDS Exam Preparation

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Multiple Choice Questions

The base of a triangular field is two times its altitude If the cost of cultivating at Rs 25 per hec...........

Quantitative Aptitude (CDS) Mensuration 2D
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    The base of a triangular field is two times its altitude. If the cost of cultivating at Rs. 25 per hectare be Rs. 350, find its base and height (respectively)?

    700m and 350 m

    Incorrect Answer

    745.44 m and 372.22m

    Incorrect Answer

    748.33m and 374.16m

    Correct Answer

    890 m and 445m

    Incorrect Answer
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    Explanation:

    Area of the field = Total cost /Rate = (350/25) hectares = 14 hectares

    = (14×10000)m2 = 140000m2

    Let altitude = x meters and base = 2x meters.

    Then, 1/2×x×2x = 140000

    x2 = 140000   = x = 374.16m

    Base = 748.33m and altitude = 374.16m

    By: bhavesh kumar singh
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