In a bag there are 20 cards 10 names A and another 10 names B. Cards are drawn randomly one by one with replacement then find probability that second A comes before third B

There are 10 cards numbered 1 to 10 in a bag. Two cards are drawn one after other without replacement. The probability that their sum is odd, is

There are 10 cards numbered 1 to 10 in a bag. Two cards are drawn one after other without replacement. The probability that their sum is odd, is

Cards are drawn from pack of 52 cards one by one with replacement. Find the probability that exactly 10 cards will be drawn before the first ace.

From a pack of cards, 2 cards are drawn at random one by one with replacement. The probability that the first is heart and second is king, is equal to

In a box,there are 20 cards,out of which 10 cards are labeled as A and remaining as B .Cards are drawn one after other with replacement,till a second A card is obtained.The probability that the second A card is obtained before third B card is

From a deck of cards, three cards are drawn on by one without replacement. Find the probability that each time it is a card of spade.

From a deck of cards, three cards are drawn on by one without replacement. Find the probability that each time it is a card of spade.

From a deck of cards,three cards are drawn on by one without replacement.Find the probability that each time it is a card of spade.

Cards are drawn one by one without replacement from a pack of 52 cards. The probability that 10 cards will precede the first ace is