MBA Exam

A fair coin is tossed n number of times. If the probability that head occurs 7 times is equal to the probability that head occurs 15 times. What is the value of n?

1) 48
2) 24
3) 22
4) 12
5) 32

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MBA Other Question
what is the last two digits of 164^359,when divided by 100??

1) 64
2) 87
3) 84
4) 34
 The number of days in which Raju and Giri together can complete a piece of work is 12 days less than the time taken by Raju alone and 27 days less than the time taken by Giri alone to complete the work. If Raju and Giri completed the work in 15 days with the help of Chari and got a total compensation of र3000 for the work, then what is the share of Chari?​

1) 500
2) 1000
3) 600
4) 750