InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Let E be the set of all integers with 1 at their unit places. The probability that a number chosen from {2, 3, 4, ............, 50} is an element of E, is ? |
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Answer» 4/49 NA |
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| 202. |
Four whole number taken at random are multiplied together. The chance that the last digit in the product is 1, 3, 7, or 9 is ? |
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Answer» 16/625 NA |
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| 203. |
If three unbiased coins are tossed simultaneously, then the probability of exactly two heads, is |
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Answer» 3/8 NA |
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| 204. |
A card is drawn from a well-shuffled pack of cards. The probability of getting a queen of club or a king of heart is ? |
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Answer» 1/26 NA |
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| 205. |
What is the probability that a card drawn at random from a pack of 52 cards is either a king or a spade? |
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Answer» 4/13 NA |
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| 206. |
Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is -. |
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Answer» 5/12 NA |
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| 207. |
A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -. |
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Answer» 25/42 NA |
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| 208. |
Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is -. |
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Answer» 5/9 NA |
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| 209. |
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective. |
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Answer» 1/42 NA |
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| 210. |
Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -. |
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Answer» 1/36 NA |
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| 211. |
If P(A) = 4/5 and P (B) = 2/5, find P (A n B) if A and B are independent events. |
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Answer» 8/25 NA |
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| 212. |
If P(A) = 6/17, P(B) = 5/17, and P(A ∪ B) = 4/17 Find P(B|A)? |
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Answer» 2/3 NA |
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| 213. |
In a throw of dice what is the probability of getting number greater than 5 |
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Answer» 1/6 NUMBER greater than 5 is 6, so only 1 number |
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| 214. |
An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black? |
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Answer» 3/7 NA |
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| 215. |
The joint probability is |
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Answer» The LIKELIHOOD of TWO events happening together Joint probability is the joint OCCURRENCE of ONE or more events |
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| 216. |
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 probability that he. has offered English or Hindi ? |
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Answer» 2/5 NA |
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| 217. |
Two dice are thrown together .What is the probability that the sum of the number on the two faces is divided by 4 or 6. |
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Answer» 7/18 NA |
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| 218. |
What is the probability of getting 53 Mondays in a leap year? |
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Answer» 2/7 NA |
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| 219. |
If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels? |
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Answer» 1/6 NA |
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| 220. |
In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is: |
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Answer» 21/46 NA |
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| 221. |
Number 1 to 25 are marked on tokens of equals size one on each. A token is drawn at random. Find the probability of getting a number divisible by both 2 and 3? |
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Answer» 4/25 NA |
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| 222. |
There are 8 blue and 4 white balls in a bag . A ball is drawn at random. Without replacing it another ball is drawn. Find the probability that both the balls drawn are blue ? |
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Answer» 14/33 NA |
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| 223. |
Two dice are thrown simultaneously. What is the probability of getting a number other than 4 on any dice ? |
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Answer» 17/36 NA |
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| 224. |
A and B aim a target. The Probability that A hits the target is 5/7 and B hits the target in 7/10. What is the probability that exactly one of them hits the target ? |
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Answer» 29/70 NA |
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| 225. |
A bag contains 5 white, 7 red and 8 black balls. If 4 balls are drawn one by one with replacement, what is the probability that all are white ? |
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Answer» 1/256 NA |
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| 228. |
Successive trials in binomial distribution are |
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Answer» Independent Independent |
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| 229. |
Binomial distribution is negatively skewed when |
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Answer» <P> p>1/2 p>1/2. |
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| 230. |
In binomial distribution n=6 and p=0.9, then the value of P(X=7) is |
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Answer» Zero Zero |
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| 231. |
I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? |
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Answer» 1/1000 NA |
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| 232. |
An unbiased cubic die is thrown.What is the probabiltiy of getting a multiple of 3 or 4? |
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Answer» 1/2 NA |
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| 233. |
An unbiased die is tossed.Find the probability of getting a multiple of 3. |
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Answer» 1/3 NA |
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| 234. |
If a box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains no defective bulbs. |
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Answer» 1/12 NA |
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| 235. |
Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl. |
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Answer» 25/34 NA |
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| 236. |
A card is drawn at random from a pack of 52 cards. A card is drawn at random. What is the probability that it is neither a heart nor a king ? |
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Answer» 9/13 NA |
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| 237. |
A box contains 3 white and 2 red balls. If we draw one ball and ball and without replacing the first ball. The probability of drawing red ball in the second drawn is ? |
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Answer» 2/5 NA |
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| 238. |
Two cards are drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces ? |
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Answer» 1/221 NA |
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| 239. |
If four balls are picked at random, what is the probability that two are green and two are blue ? |
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Answer» 1/70 NA |
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| 240. |
if from each of the three boxes containing 3 white and 1 black, 2 white and 2 black and 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will |
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Answer» 13/32 NA |
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