MBA Exam

If p, q, r, s and t are distinct natural numbers such that p + q + r + s + t = 55 and p2 + q2 + r2 + s2 + t2 = Z. What can be the value of ‘Z’

1) 615
2) 2055
3) 3055
4) 1050
5) more than one value

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MBA Other Question
Two lines P and Q intersect at point (3, 2) in the x-y plane.
The slope of line P is 45º and line Q is parallel to the x-axis. What is
the area (in sq. units) of the triangle formed by P, Q and a line
perpendicular to P and passing through point (5, 4)?

1) 12sq.units
2) 4sq.units
3) 6sq.units
4) 8sq.units
 If the roots of the eqn (x-1) (x sq + x + 3) = 0 are p,q,r what is the value of p cube + q cube + r cube? Solution pls

1) 9
2) 1
3) 8
4) NOT