Square root and cube root


  1. The cube root of .000027 is ?









  1. View Hint View Answer Discuss in Forum

    (.000027)1/3
    = (27 / 1000000)1/3
    = (33)1/3 / (106)1/3
    = 3 / 100

    Correct Option: B

    (.000027)1/3
    = (27 / 1000000)1/3
    = (33)1/3 / (106)1/3
    = 3 / 100
    = .03


  1. The value of √0.121 is ?









  1. View Hint View Answer Discuss in Forum

    0.121 = √0.1210
    = √1210/10000
    = √1210 / 100
    = 34.7 / 100

    Correct Option: C

    0.121 = √0.1210
    = √1210/10000
    = √1210 / 100
    = 34.7 / 100
    = 0.347.



  1. The value of √0.064 is ?









  1. View Hint View Answer Discuss in Forum

    0.064 = √0.0640
    = √640/10000
    = √640 / 100

    Correct Option: D

    0.064 = √0.0640
    = √640/10000
    = √640 / 100
    = 25.2/100
    = 0.252.


  1. (√24 + √216) / √96 = ?









  1. View Hint View Answer Discuss in Forum

    (√24 + √216) / √96
    = (√4 x 6 + √36 x 6 ) / √16 x 6

    Correct Option: C

    (√24 + √216) / √96
    = (√4 x 6 + √36 x 6 ) / √16 x 6
    = 2√6 + 6√6
    = 8√6 / 4√6
    = 2



  1. The value of √0.9 is ?









  1. View Hint View Answer Discuss in Forum

    0.9 = √0.90
    = √90/100

    Correct Option: D

    0.9 = √0.90
    = √90/100
    = √90/10
    = 9.4/10
    = 0.94