MBA Exam

Mr. Lalchand Rajput says that probability that Yuvraj plays and India wins is 1/4 , Pathan plays and India wins is 1/2 and both plays and India wins is 1/4. He also added that the team has 3/4 chances of win. What is the probability that either Yuvraj or Pathan played, when the team won?

1) 2/3
2) 1/2
3) 1/4
4) 3/128

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MBA Other Question
How many 4 digit numbers are there whose decimal notation contains not more than 2 distinct digits ?

1) 672
2) 576
3) 448
4) 360
 Reminder 1!+2*2!+3*3!..........+12*12! / 13 ?

1) 1
2) 12
3) 11
4) 0