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husnain

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From: Chichawatni,Pakistan

Registered: 2014-10-03

Posts: 8,129

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Permutation And Combination:

Question:
In how many ways 2 students can be chosen from the class of 20 students?

Option A):
390
Option B):
190 
Option C):
180
Option D):
240

Correct Answer is Option B):
190

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