Square root and cube root
- The value of √0.121 is ?
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√0.121 = √0.1210
= √1210/10000
= √1210 / 100
= 34.7 / 100Correct Option: C
√0.121 = √0.1210
= √1210/10000
= √1210 / 100
= 34.7 / 100
= 0.347.
- The cube root of .000027 is ?
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(.000027)1/3
= (27 / 1000000)1/3
= (33)1/3 / (106)1/3
= 3 / 100Correct Option: B
(.000027)1/3
= (27 / 1000000)1/3
= (33)1/3 / (106)1/3
= 3 / 100
= .03
- √4375 / √7 = ?
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√4375 / √7 = √4375 / 7
= √625Correct Option: C
√4375 / √7 = √4375 / 7
= √625
= 25
- If √y/169 = 54/39, then y is equal to ?
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√y/169= 54/39
⇒ y/169 = (54/39) x (54/39)Correct Option: B
√y/169= 54/39
⇒ y/169 = (54/39) x (54/39)
∴ y= (54/39) x (54/39) x 169 = 324
- 112/√196 x √579/12 x √256/8 = ?
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Given Expression 112/√196 x √579/12 x √256/8
=(112/14) x (24/12) x (16/8)Correct Option: D
Given Expression 112/√196 x √579/12 x √256/8
=(112/14) x (24/12) x (16/8)
= 32