Probability · General Aptitude

56 questions in this chapter.

General

ABC26GN5329 · In a throw of a coin, find the probability of getting a head.
ABC26GN5336 · In a simultaneous throw of two coins, the probability of getting at least one head is
ABC26GN5330 · Two unbiased coins are tossed. What is the probability of getting at most one head ?
ABC26GN5337 · Three unbiased coins are tossed. What is the probability of getting at least 2 heads?
ABC26GN5331 · An unbiased die is tossed. Find the probability of getting a multiple of 3.
ABC26GN5338 · Three unbiased coins are tossed. What is the probability of getting at most two heads?
ABC26GN5332 · In a simultaneous throw of a pair of dice, find the probability of getting a total more than 7.
ABC26GN5339 · In a single throw of a die, what is the probability of getting a number greater than 4 ?
ABC26GN5333 · A bag contains 6 white and 4 black balls. Two balls are drawn at random. Find the probability that they are of the same colour.
ABC26GN5340 · In a simultaneous throw of two dice, what is the probability of getting a total of 7 ?
ABC26GN5334 · Two dice are thrown together. What is the probability that the sum of the numbers on the two faces is divisible by 4 or 6 ?
ABC26GN5341 · What is the probability of getting a sum 9 from two throws of a dice?
ABC26GN5335 · Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queens ? 52 (52 × 51)
ABC26GN5342 · In a simultaneous throw of two dice, what is the probability of getting a doublet?
ABC26GN5343 · In a simultaneous throw of two dice, what is the probability of getting a total of 10 or 11 ?
ABC26GN5344 · Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?
ABC26GN5345 · Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number…
ABC26GN5346 · Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number…
ABC26GN5347 · In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize ?
ABC26GN5348 · One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card ?
ABC26GN5349 · A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is
ABC26GN5350 · One card is drawn from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king ?
ABC26GN5351 · From a pack of 52 cards, one card is drawn at random. What is the probability that the card drawn is a ten or a spade ?
ABC26GN5352 · The probability that a card drawn from a pack of 52 cards will be a diamond or a king, is
ABC26GN5353 · From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings ?
ABC26GN5354 · Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is
ABC26GN5355 · Two cards are drawn from a pack of 52 cards. The probability that either both are red or both are kings, is
ABC26GN5356 · A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white ?
ABC26GN5357 · In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor…
ABC26GN5358 · A box contains 4 red, 5 green and 6 white balls. A ball is drawn at random from the box. What is the probability that the ball drawn is…
ABC26GN5359 · A basket contains 4 red, 5 blue and 3 green marbles. If 2 marbles are drawn atrandom from the basket, what is the probability that both are… · 2010
ABC26GN5360 · An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are drawn at random from the urn, what is the probability that… · 2010
ABC26GN5361 · A basket contains 6 blue, 2 red, 4 green and 3 yellow balls. If three balls are picked up at random, what is the probability that none is… · 2009
ABC26GN5362 · An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If three marbles are picked up at random, what is the probability that 2 are… · 2010
ABC26GN5363 · An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If four marbles are picked up at random, what is the probability that 1 is… · 2011
ABC26GN5364 · An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are picked up at random, what is the probability that either… · 2010
ABC26GN5365 · A basket contains 6 blue, 2 red, 4 green and 3 yellow balls. If four balls are picked up at random, what is the probability that 2 are red… · 2009
ABC26GN5366 · A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability that at least one is… · 2010
ABC26GN5367 · An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If 4 marbles are picked up at random, what is the probability that at least… · 2010
ABC26GN5368 · A basket contains 6 blue, 2 red, 4 green and 3 yellow balls. If 5 balls are picked up at random, what is the probability that at least one… · 2009
ABC26GN5370 · A box contains 10 black and 10 white balls. What is the probability of drawing 2 balls of the same colour?
ABC26GN5371 · A box contains 20 electric bulbs, out of which 4 are defective. Two balls are chosen at random from this box. The probability that at least…
ABC26GN5372 · In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that the selected students are 2 boys…
ABC26GN5373 · Four persons are chosen at random from a group of 3 men, 2 women and 4 children. The chance that exactly 2 of them are children, is
ABC26GN5374 · Two dice are tossed. The probability that the total score is a prime number is
ABC26GN5375 · In a class, 30\% of the students offered English, 20\% offered Hindi and 10\% offered both. If a student is selected at random, what is the…
ABC26GN5376 · A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1/7 and the…
ABC26GN5377 · A speaks truth in 75\% cases and B in 80\% of the cases. In what percentage of cases are they likely to contradict each other, in narrating…
ABC26GN5378 · A speaks truth in 60\% cases and B speaks truth in 70\% cases. The probability that they will say the same thing while describing a single… · 2006
ABC26GN5379 · A committee of 3 members is to be selected out of 3 men and 2 women. What is the probability that the committee has at least 1 woman? · 2008