MBA Exam

Find the area of a convex quadrilateral having vertices (-8, -1), (3.5, 1), (1, 4), and (3.5, -1).

1) 30
2) 31.25
3) 11.5
4) None of these

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MBA Other Question
Two series A (a1, a2, a3, ....an) and B (b1, b2, b3, ....bn) are in A.P. such that an – bn = n – 1, where an stands for the nth term of the series A, and bn for the nth term of the series B. It is also known that a6 = b8. Find the value of a101 – b121.

1) -45
2) 47.5
3) 50
4) -47.5
5) Cannot be determined
 A person goes between 4 and 5 and comesback between 5 and 6 and realises that the clock hands(minute hand and hour hand) interchange theri respective positions.Hom much time did he remian out of his house?

1) 830/19
2) 760/17
3) 720/13 min
4) None of these