MBA Exam

From 6 couples who attended the party, four people are selected at random. What is the probability that exactly one couple is selected???

1) 27/66
2) 16/33
3) 35/66
4) 32/33

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MBA Other Question
Rajesh bought three different varieties of biscuits namely “Krak-jac”, “50-50”, and “Goodday”. The number of biscuits of each variety purchased by him is equal to the price of one biscuit of the particular variety. The price of one biscuit of each of these three varieties is a distinct integer. The aggregate amount spent by him on these biscuit is less than Rs. 100. The price of one biscuit of “Krak-jac” is greater then he price of one biscuit of “50 – 50”. The price of one biscuit of a particular variety is greater than the price of one biscuit of another variety by Rs. 5. If Rajesh paid an average of Rs. 7 for each biscuit bought by him. Then find the price of one biscuit of “Krakjac”.

1) Rs. 4
2) Re. 1
3) Rs. 9
4) option (1) or (2)
5) option (1) or (3)
 what is the remainder when -11 is divided by 5?

1) 9
2) 1
3) 20
4) none of these