MBA Exam

A group of 100 members, comprising the employees of three different organizations A, B and C attends a charity function. Of the members who attend the function, each employee of the organizations A, B and C donates र10, र20 and र30 respectively. The employees of the company A together contribute at least three-fifth of the total donation of the group.
if 23 employees of B were present then how many from A were present?

1) 78
2) 75
3) 73
4) 74

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MBA Other Question

How many pairs (a, b) such that both a and b are non-zero exist if a and b are the roots of x2 + ax + b = 0 ?

1) 1
2) 2
3) 3
4) 4
5) none
the factory equipment cost a certain factory rupees 5,00,000.if the equipment depreciates 15% in value in the first year ,13.5%in the next year,12% in the next year and so on.what will be its value at the end of 10 years(all percentages applying to the original cost if equipment)?pl. provide sol. also.

1) 82,500
2) 84,500
3) 87,500
4) 90,000