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Question of the Day | Quant #21

Question of the Day | Quant #21

Question of the Day Quant #21 Ques. A five digit number is formed by using digits 1, 2, 3, 4 and 5 without repetitions. What is the probability that the number is divisible by 4? Solution   Option (1) A number is divisible by 4 when last two digits are divisible by 4. It can [...]
Question of the Day | Quant #19

Question of the Day | Quant #19

Question of the Day Quant #19 Ques. A dice is rolled three times and the sum of three numbers appearing on the uppermost face is 15. The chance that the first roll was a four is? 1) 2/5 2) 1/5 3) 1/6 4) None of these Solution   Option (2) Number of ways to get [...]
Question of the Day | Quant #16

Question of the Day | Quant #16

Question of the Day Quant #16 Ques. Amar, Akbar, and Anthony were trying to shoot birds. If Amar hits 5 times in 8 attempts, Akbar hits 3 times in 5 attempts and Anthony hits 2 times in 4 attempts.What is the probability that the target is hit by at least 2 persons? Solution   Option [...]
Question of the Day | Quant #9

Question of the Day | Quant #9

Question of the Day Quant #9 Ques. What is the probability of two squares randomly being chosen on a chessboard with a side in common? 1) 0.0555 2) 0.2778 3) 0.1110 4) 0.0317 Solution   Option (1) Sample space = number of ways of selecting two squares 64C2 There are 7 unique adjacent square sets in [...]