Related InterviewSolutions

• Find the probability that a number selected from the numbers 1 to 25 is a prime number when each of the given number is equally likely to be selected.1). 9/252). 16/253). 21/254). 14/25
• One-third of 15 mangoes got rotten. If 5 mangoes are taken out randomly, what is the probability that no mango is rotten?1). 12/1432). 12/1333). 16/994). 85/99
• In a class test of 50 students, 20 are boys and 30 are girls. 10 boys and 15 girls ranked in A grade. If a student is chosen at random from the class, what is the probability of choosing a girl or an ‘A grade student”?1). 2/52). 3/53). 8/54). 4/5
• Quantity B: Find the probability that out of 5 balloons: 3 are Red, 1 is Blue and 1 is Green1). Quantity A > Quantity B2). Quantity A < Quantity B3). Quantity A ≥ Quantity B4). Quantity A ≤ Quantity B
• Quantity B: 0.51). Quantity A > Quantity B2). Quantity A < Quantity B3). Quantity A ≥ Quantity B4). Quantity A ≤ Quantity B
• Two dice are tossed. The probability that the total score is a prime number is?1). 1/62). 5/123). 1/24). 7/9
• The odds against Sushant solving a certain problem is 5 to 2 and odds in favour of Rahul solving the same problem are 7 to 5. What is the probability that the problem will be solved?1). \(\frac{7}{{10}}\)2). \(\frac{2}{5}\)3). \(\frac{{17}}{{30}}\)4). \(\frac{{59}}{{84}}\)
• A biased coin is tossed 4 times. The probability that a head occurs when this coin is tossed is 0.25. What is the probability that exactly 2 tails occur?1). 0.212).3). 0.274). 0.43
• Quantity B: Probability of selection of a boy in an interview is 1/2 and that of a girl is 5/9. What is the probability that one of them will be selected?1). Quantity A > Quantity B2). Quantity A < Quantity B3). Quantity A ≥ Quantity B4). Quantity A ≤ Quantity B