MBA Exam

Hi,Can anyone help me in solving this ques ?2^a + b^2 = 100000I dont know the exact answer.. Pls post the procedure

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MBA Other Question

In a test consisting of 15 questions, 3 marks are awarded for a correct answer, 1 mark is deducted for an incorrect answer and no mark is awarded for an unattempted question. If a student attempts at least one question in the paper, what is the number of distinct scores that he can get?

1) 57
2) 58
3) 59
4) None of These
In a certain vessel water to milk ratio is 2 : 1. In another vessel milk to water ratio in 1:7. They are mixed in a ratio of 9:16 to form 100 litres of new solution. Now 20 litres of the final solution is taken out and 10 litres of milk is added to the remaining solution. Again 9 litres of the solution is taken out and 5 litres of milk is added to the remaining solution. What is the final percentage of milk in the resultant mixture?

1) 23%
2) 33%
3) 36%
4) 46%