MBA Exam

Number of positive integral pair that satisfy the equation,3x+xy=138-2y is[any shortcut method to solve this qstn]

1) 11
2) 15
3) 12
4) 10

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MBA Other Question

A trader cheats both his supplier and customer by using faulty weights.when he buys from the supplier,he takes 10% more than the indicated weight.when he sells to his customer,he gives 10% less than the indicated weight.if he sells at cost price(that is charges the c.p. of the indicated weight),what is the profit per.?pl. provide sol.

1) 20%
2) 10%
3) 11 1/9%
4) 22 2/9%
remainder 2^89 divide by 89

1) 0
2) 2
3) 87
4) 1