ISI PEA 2017 Probability doubt

[sneha]

[Diya]

Round 1:
E(amount of money)= -10(1/5) + 10(4/5) = 6

Since there are 10 rounds, he will win Rs. 60. Since, started off with 100 and 60 is his expected amount of money he wins, The answer will be 160

[Halflife]

CONTENTS DELETED

The author has deleted this message.