MBA Exam

how many ratios p/q (where p and q are distinct) don't form integers where p and q belong to the set... (1,2,3,4,5,6,7,8,9)

1) 55
2) 56
3) 57
4) 58

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MBA Other Question

Abhinav is 40% more efficient than Bindra who is 20% less efficient than Charlie. If Abhinav at 50% level of efficiency can complete a work in 100 days, then in how many days will they together complete the work?

1) 1300 / 73
2) 1500 / 73
3) 1200 / 73
4) 1400 / 73
5) 1100 / 73
A milk man mixed 4 liters of water with 10 liters of milk. He boiled one fourth of this mixture till the water content, in it, halved. Then he added it to remaining mixture. What is the proportion of milk in the entire solution.

1) 7/10
2) 13/15
3) 20/27
4) 5/6