The trinomial x2+x-20 is exactly divisible by?
Correct answer D. x-4
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Maths MCQs & Aptitude MCQs
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Divide (x-y)/(x+y) by (y+x)/(y-x) =
Correct answer D. ?(x-y)2/(x+y)2
If p=10/(q+2) what is value of pq is terms of p?
Correct answer A. 2(5-P)
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If 5a=2b=40c what is the value of 8a+5b in terms of c?
Correct answer B. 164c
If p+q = 4 q+r = -2 r+p=3 then p+q+r =?
Correct answer B. 5?2
If x = (p+q)/(p-q) then x-1 =?
Correct answer D. 2q/(p-q)
If 12/m = 15/m2 then m =
Correct answer A. 5?4
(x+y)2 – (x-y)2 =
Correct answer D. 4xy
(p2-q2) / (p+q) = 50 then p-q =?
Correct answer D. 50
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If 17-m = 12-n then m-n =?
Correct answer A. 5
(x+y)2 + (y+z)2 =
Correct answer C. x2+2y2+z2+2y(x+z)
(9/a)+(21/a)x(36/a)=? If a = 3
Correct answer D. 87
(12a2 – 144a) / (a-12) =?
Correct answer A. 12a
If x = 5 y=4 z=3 then which of the following is true? (I) x+y+z = 11 (II) x+y-z = -6 (III) x+Y+z = 12 (IV) -x+y-z = -4
Correct answer B. III and IV
(a+b)2 + (a-b)2 =
Correct answer A. 2(a2+b2)
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(x2yz + xy2z + xyz2) / xyz
Correct answer C. x+y+z
If a x 51 x 48 x 54 = 16 x 17 x 18 then a =
Correct answer A. 1 ? 27
If b = -3 and a = 2 then a2 + b2 + 2ab =?
Correct answer A. ?17
If 9/a = 7/a2 then a =?
Correct answer A. 7 ? 9
(ab x (a+b)))/(1/a+1/b) =? If a = 1 b = 2
Correct answer D. 8 ? 2