Surds and Indices - Quantitative Aptitude (MCQ) questions for Q. 69

Q.  40 feet rope is cut into 2. One piece is 18 feet longer than the other. What is the length of the shorter piece?
- Published on 12 Jun 15

a. 11
b. 12
c. 18
d. 22

ANSWER: 11
 

    Discussion

  • Kanaparthi SRINIVAS   -Posted on 15 Oct 22
    X+x+18=40
    Then x=11
  • Rasheeka   -Posted on 11 Jun 21
    Let the 2 pieces be of length (x) ft and (40-x) ft. Let the piece that is 18ft longer be (40-x), so the other piece becomes (x-18)ft.
    Now,
    40-x =x-18
    2x=58
    X=29
    (40-x)= 40-29 = 11 ft

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