If (nr−tn+14) be a perfect square, then the values of t are = ?
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The expression 1x−1−1x+1−2x2+1−4x4+1 is equal to = ?
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10
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1559.95 - 7.99 × 24.96 - ?2 = 1154
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Evaluate : (923−347)?=32
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In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?
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If (a+1a)=6,then(a4+1a4) = ?
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5
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If x=√3 + √2, then the value of x3−1x3 is?
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6
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If 13+12+1x = 4 then x = ?
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7
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(469+174)2−(469−174)2(469×174)=?
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8
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445÷625=?
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9
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If pa+qb+rc=1 and ap+bq+cr=0 where a, b, c, p, q, r are non-zero real numbers, then p2a2+q2b2+r2c2 is equal to = ?
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