MBA Exam

The polynomial (x + 2y + 3z)20 is multiplied out and all the like terms are collected. How many terms will be there?

1) 20! / 2! 3!
2) 231
3) 441
4) 420

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MBA Other Question

can anyone tell me how to plot graph of 1/x=1/y in graph where axes are x and y ? (not x=y)

The letters of the word ‘PERMIT’ are arranged in all possible ways and the words thus formed are arranged in a dictionary. What is the rank of the word ‘PEMRIT’?

1) 369
2) 374
3) 375
4) 259
5) 297