\(1\frac{3}{4} - 1\frac{1}{5} + 1\frac{5}{8} = ?\)
\(2\frac{7}{{40}}\)
\(3\frac{7}{{40}}\)
\(9\frac{5}{8}\)
\(10\frac{7}{8}\)
None of these
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1
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(? - 968) / 79 * 4 = 512
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2
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The value of \(\frac{{\sqrt {80} - \sqrt {112} }}{{\sqrt {45} - \sqrt {63} }} = ?\)
Solution |
3
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If \(\left( {x - \frac{1}{x}} \right){ \text{ = }}\sqrt {21} { \text{,}} \) then the value of \(\left( {{x^2} + \frac{1}{{{x^2}}}} \right) \left( {x + \frac{1}{x}} \right)\) is = ?
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4
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If \(\frac{a}{b}{ \text{ + }}\frac{b}{a}{ \text{ = 2,}}\) then the value of (a - b) is = ?
Solution |
5
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Simplify : \({ \text{10}}\frac{1}{8}{ \text{ of }}\frac{{12}}{{15}} \div \frac{{35}}{{36}}{ \text{ of }}\frac{{20}}{{49}}\)
Solution |
6
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\(1888 \div 32 \div 8 = ?\)
Solution |
7
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The simplest value of \(\left( {\frac{1}{{\sqrt 9 - \sqrt 8 }} - \frac{1}{{\sqrt 8 - \sqrt 7 }} + \frac{1}{{\sqrt 7 - \sqrt 6 }} - \frac{1}{{\sqrt 6 - \sqrt 5 }}} \right)\) is = ?
Solution |
8
Discuss
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The cost of 5 pendants and 8 chains is Rs. 145785. What would be the cost of 15 pendants and 24 chains ?
Solution |
9
Discuss
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A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:
Solution |
10
Discuss
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\(1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{7} + \frac{1}{{14}} + \frac{1}{{28}}\) is equal to = ?
Solution |
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