Entry Test MCQ :: Equations and Inequalities

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41.

If -7

A.	13	B.	11
C.	15	D.	16

42.

In the above question what is the minimum integral value of y+x.

43.

If a ? -b (a2-b2)/(a-b) = 40 then a+b =

44.

If n = 4 and m = 7 then 1/n + 1/nm

A.	1?14	B.	2?7
C.	3?7	D.	4?15

45.

21d2 - 7d + 8 - 4d (2d-3) =

A.	14d2+8	B.	13d2+5d-8
C.	8d-8	D.	13d2+5d+8

46.

(x+4)(x-5) = 10 then x is?

A.	6	B.	-5
C.	both	D.	none

47.

(a10-c2)2 - (a10+c2)2 =

48.

If 1 ? -m then (12-m2)/(1+m) = 23 then 1-m =

A.	15	B.	25
C.	23	D.	13

49.

If x2 -16<0 which of the following must be true.

50.

If y2-25<0 which of the following cannot be true.

A.	y ? -4	B.	y < -2
C.	y ? + 1	D.	y ? 5