Square root and cube root

Square root and cube root

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Aptitude miscellaneous
  1. If √24 = 4.899, then the value of √8/3 is ?








  1. View Hint View Answer Discuss in Forum

    √8/3 =√24/9
    = √24/3

    Correct Option: C

    √8/3 =√24/9
    = √24/3
    = 4.899/3
    =1.633

  1. ? / √2.25 = 550








  1. View Hint View Answer Discuss in Forum

    Let x/ √2.25
    = 550.

    Then, x/1.5 = 550
    ∴ x = (550 x 1.5)
    = (550 x 15/10) = 825

    Correct Option: A

    Let N / √2.25 = 550.
    Then, N / 1.5 = 550
    ∴ N = (550 x 1.5)
    = (550 x 15) /10
    = 825

  1. If √(75.24 + N ) = 8.71, then the value of N is ?








  1. View Hint View Answer Discuss in Forum

    75.24 + N = 8.71 x 8.71
    ⇒ N = 75.8641 - 75.24
    ∴ N = .6241

    Correct Option: A

    75.24 + N = 8.71 x 8.71
    ⇒ N = 75.8641 - 75.24
    ∴ N = .6241

  1. √36.1 / 102.4 = ?








  1. View Hint View Answer Discuss in Forum

    √36.1/102.4
    = √361/1024

    Correct Option: C

    √36.1/102.4
    = √361/1024
    = 19/32