A teacher wants to arrange his students in an equal number of rows and columns. If there are 1369 students, the number of students in the last row are ?
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1
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\(\left( {\frac{{785 \times 785 \times 785 + 435 \times 435 \times 435}}{{785 \times 785 + 435 \times 435 - 785 \times 435}}} \right)\) simplifies to = ?
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2
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The least number that must be subtracted from 63522 to make the result a perfect square is = ?
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3
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If the sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is = ?
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4
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When \(\left( {\frac{1}{2} - \frac{1}{4} + \frac{1}{5} - \frac{1}{6}} \right) \) is divided by \(\left( {\frac{2}{5} - \frac{5}{9} + \frac{3}{5} - \frac{7}{{18}}} \right)\) then the result is = ?
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5
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To fill a tank, 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?
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6
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200 ÷ 25 × 4 + 12 - 3 = ?
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7
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If \(\frac{{x + 1}}{{x - 1}}{ \text{ = }}\frac{a}{b} \) and \(\frac{{1 - y}}{{1 + y}}{ \text{ = }}\frac{b}{a}{ \text{,}} \) then the value of \(\frac{{x - y}}{{1 + xy}}\) = ?
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8
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24.962 ÷ (34.11 ÷ 20.05) + 67.96 - 89.11 = ?
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9
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1 - [5 - {2 + (- 5 + 6 - 2) 2}] is equal to:
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10
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Solve : 128.43 + 30.21 + ? = 173
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