(36.14)^2 – (21.28)^2 =?
850
860
865
853
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1
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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:
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2
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572.0 / 26 * 12 – 200 = (2)^x
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3
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If \(\frac{p}{a} + \frac{q}{b} + \frac{r}{c} = 1\) and \(\frac{a}{p} + \frac{b}{q} + \frac{c}{r} = 0\) where a, b, c, p, q, r are non-zero real numbers, then \(\frac{{{p^2}}}{{{a^2}}} + \frac{{{q^2}}}{{{b^2}}} + \frac{{{r^2}}}{{{c^2}}}\) is equal to = ?
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4
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A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?
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5
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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 ?
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6
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Number of digits in the square root of 62478078 is = ?
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7
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24.962 ÷ (34.11 ÷ 20.05) + 67.96 - 89.11 = ?
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8
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What number must be added to the expression 16a2 - 12a to make a perfect square ?
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9
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\({ \text{If }}x = \frac{1}{{2 + \frac{1}{2}}}{ \text{ then }}\frac{1}{x} = ?\)
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10
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\(\left\{ {\left( {\sqrt {72} - \sqrt {18} } \right) \div \sqrt {12} } \right\}\) is equal to = ?
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