MBA Exam

What is the remainder when 20! is divided by 2^20

1) I guess OA is 2^18, but thats not important, tell me how u did it...

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MBA Other Question

There are 6 identical oranges and 6 distinct apples..In how many ways can one choose 5 fruits containing atleast one apple and ateast one orange??

1) 56
2) 57
3) 60
4) 62
P and Q are two solutions of alcohol in kerosene. The solution P is 90% in kerosene and the solution Q is 30% in alcohol. What amount of solution Q should be added to 100 liters of solution P so that the resulting solution is 25% in alcohol?​plz tag me...

1) 400
2) 200
3) 300
4) cod