Which number can replace both the question marks in the equation =
?
12
7
None of these
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1
Discuss
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\(\sqrt {0.2} = ?\)
Solution |
2
Discuss
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1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was = ?
Solution |
3
Discuss
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The square root of \(\left( {7 + 3\sqrt 5 } \right) \left( {7 - 3\sqrt 5 } \right)\) is
Solution |
4
Discuss
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The cube root of .000216 is:
Solution |
5
Discuss
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If \(a = \frac{{\sqrt 5 + 1}}{{\sqrt 5 - 1}} \) and \(b = \frac{{\sqrt 5 - 1}}{{\sqrt 5 + 1}},\) the value of \(\left( {\frac{{{a^2} + ab + {b^2}}}{{{a^2} - ab + {b^2}}}} \right)\) is ?
Solution |
6
Discuss
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How many two-digit numbers satisfy this property. : The last digit (unit's digit) of the square of the two-digit number is 8 ?
Solution |
7
Discuss
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\(9{x^2} + 25 - 30x\) can be expressed as the square of = ?
Solution |
8
Discuss
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By what least number must 21600 be multiplied so as to make it perfect cube ?
Solution |
9
Discuss
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The number of digits in the square root of 625685746009 is = ?
Solution |
10
Discuss
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The approximate value of \(\frac{{3\sqrt {12} }}{{2\sqrt {28} }} \div \frac{{2\sqrt {21} }}{{\sqrt {98} }}\) is ?
Solution |
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