A Bag Contains (2n + 1) Coins. It Is Known That N Of These Coins Have A Head-on On Both Sides Whereas The Rest Of The Coins Are Fair. A Coin Is Picked Up At Random From The Bag And Is Tossed. If The Probability That The Toss Results In A Head Is 31/42, Determine The Value Of N Doubt Answers

Deepika Mishra

Class 12th

Maths

2 years ago

A bag contains (2n + 1) coins. It is known that n of these coins have a head-on on both sides whereas the rest of the coins are fair. A coin is picked up at random from the bag and is tossed. If the probability that the toss results in a head is 31/42, determine the value of n

1 Answer