Square Roots and Cube Roots Practice Question and Answer

Q:

if the square root of 841 is 29, then square root of 0.0000084 is equal to: 

1767 0

  • 1
    0.029
    Correct
    Wrong
  • 2
    0.0029
    Correct
    Wrong
  • 3
    0.00029
    Correct
    Wrong
  • 4
    0.29
    Correct
    Wrong
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Answer : 2. "0.0029"

Q:

The sum of square of two number is 68 and square of the different of them is 36. Then multiplication value of two is.

988 0

  • 1
    32
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    58
    Correct
    Wrong
  • 4
    56
    Correct
    Wrong
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Answer : 2. "16"

Q:

The value of $$ \sqrt { 2^4} \ + \ ^{3}\sqrt {64} \  + \ ^4\sqrt { 2^8} \    $$ is :

1264 0

  • 1
    12
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 1. "12"

Q:

What is the value of positive square root of $$\ 14+ 6\sqrt{5}\ $$?

2649 1

  • 1
    $$\ 3+ \sqrt { 5} \ $$
    Correct
    Wrong
  • 2
    $$\ 3- \sqrt { 5} \ $$
    Correct
    Wrong
  • 3
    $$\ 5+ \sqrt { 3} \ $$
    Correct
    Wrong
  • 4
    $$\ 5- \sqrt { 3} \ $$
    Correct
    Wrong
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Answer : 1. "$$\ 3+ \sqrt { 5} \ $$"

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