MBA Exam

x+7z-20 = 10-2y+zno.of solutions =?? Ans is supposed to be 26.can somebody please explain?

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MBA Other Question

Trigonometry : The angle of elevation of a cloud from a height h above the level of water in a lake is @ and the angle of its depression of he height of the cloud above the image in the lake is B.Find the angle of depression of its image in the lake is B.Find the cloud above surface of the lake.

1) hsin(b-a)/sin(a+b)
2) hsina
3) hsin(a+b)/sin(b-a)
4) none of these
In how many ways can 600 be expressed as a sum of two or more consecutive natural numbers??(Need a simple approach to solve this)

1) 14
2) 7
3) 6
4) 5