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Splification - Quantitative Aptitude

Q21.

(1 + 1 ) ( 1 + 1 ) ( 1 + 1 ) = ?
1 + x 2 + x 3 + x

(a) (4+x) / (1+x)
(b) (2+x) / (4+x)
(c) (3+x) / (1+x)
(d) (3+x) / (5+x)

Q22.

( 1 + 1 + 1 + 1 ) = ?
1.4 4.7 7.10 10.13

(a) 3/12
(b) 4/13
(c) 4/15
(d) 5/13

Q23. If x/y =1/2 the (x3+y3)/(x3-y3) = ?
(a) - 9/7
(b) 7/9
(c) - 7/9
(d) 9/7

Q24.

(x+y)2 = ?
x2 -y2

(a) x+y x2 - y2
(b) x-y
(c) (x-y)/(x+y)
(d) (x+y)/(x-y)

Q25. If a/b = 2/3, then (3a + 3b)/(3a - 3b) = ?
(a) 5
(b) -5
(c) 6
(d) -6



Q26. If x+(1/y) = 1 and y+(1/z) = 1, then z+(1/x) = ?
(a) 1
(b) 11
(c) 111
(d) None of the above

Q27. If x+3y = 6 and xy = 4 then (3/x + 1/y) = ?
(a) 2/3
(b) 1(3/2)
(c) 3/2
(d) 2(2/3)

Q28.

245X245+245X230+230X230 = ?
245X245X245 - 230X230X230

(a) 1/3
(b) 5/2
(c) 3/2
(d) 1/15

Q29.

If x+y+z = 0, then ( x2 + y2 + z2 ) = ?
yz zx xy

(a) 1
(b) 2
(c) 3
(d) 33

Q30. If a-b = 5 and a2+b2 = 30 then ab = ?
(a) 5/2
(b) 2/5
(c) 3/2
(d) 7/2



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