If 5x = 30-y = 6z, then what is the value of (xy + yz + zx)/xyz?
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If a + b + c = 9 and ab + bc + ca = 18, then what is the value of a3 + b3 + c3 – 3abc?
If α and β are roots of the equation 3x2 – 13x + 14 = 0, then what is the value of (α/β) + (β/α)?
Which answer figure will complete the pattern in the question figure?
In the following question, select the missing number from the given series.19, 26, 45, 71, 116, ?
In the following question, select the related number group from the given alternatives.19 : 367 : : ? : ?
If P=9, Q=17 then the value of p2-q2-13
If m n = 2 , mn = 15 , (m , n > 0) then the value of m2-n2m3-n3
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