MBA Exam

find number of solutions of x + y + z + u=26, where x, y, z and u are positive integers (i.e. >0) and none of them is more than 9.

1) 25C3
2) 29C3
3) 25C3 - 4X16C3
4) 270

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MBA Other Question

Akash, Bhanu and Sam work on a project. After they complete 1/4th of the project, Sam takes a break. For 7 days only Akash and Bhanu work on the project. After that Sam relieves both of them. He completes the project in 5 days. Bhanu works 50% faster than Akash while Sam alone can finish the entire project in 20 days, How long would Bhanu take to finish the entire project?

1) 25 days
2) 23 1/3 days
3) 21 days
4) 22 1/3 days
Sony World find that it can sell x DVD per week at Rs. p each where,

1) 1200
2) 1000
3) 1500
4) 1600
5) 1800