The most stable carbonium ion is said to be the ones that belong to the tertiary carbonium ions category. If we try to understand the carbocation... View Article
As per the general idea, metal oxides or metallic oxides are basic and not acidic. If we look at the common property of metal oxides they usually... View Article
1) 78/90 2) 30/90 3) 48/90 4) 12/90 Solution: Option (1) 78/90 Total Number of balls = 10 Let R be the event of picking red balls P(R) =... View Article
1) 1/2 2) 1/4 3) 1/3 4) None of these Solution: Option (3) ⅓ Let “B” be the boy and “G” be the girl Total number of cases = BB,BG,GB,GG... View Article
1) 28% 2) 38% 3) 72% 4) 82% Solution: Option (1) 28% Let A and B be probability that fail t Physics and Maths respectively. P(A) = 20/100 =... View Article
1) 3/7 2) 2/7 3) 5/7 4) 1/7 Solution: Option (1) 3/7 In a leap year, we have 366 days. It means, leap year contains 52 weeks and 2 days. The... View Article
1) 3/8 2) 1/5 3) 3/4 4) None of these Solution: Option (1) ⅜ Given that, the probability that man speaks truth = ¾ Hence, the probability... View Article
1) 2/5 2) 3/5 3) 0 4) 1 Solution: Option (4) 1 Number of sample space = 6 Given that A is the event that the number obtained is greater... View Article
1) 2, 4 or 8 2) 3, 6 or 9 3) 4 or 8 4) 5 or 10 Solution: Option (4) 5 or 10 Given that A and B are independent events Let nB represents the... View Article
1) 1/2 2) 1/6 3) 2/3 4) 5/9 Solution: Option (4) 5/9 Let X be the event of getting an even sum and Y be the event of getting sum less than... View Article
1) 1/2 2) 2/5 3) 1/5 4) ⅔ Solution: Option (2) ⅖ If a die is tossed, the number of sample space is 6 Let A be the event that the number... View Article
1) 1/36 2) 3/36 3) 11/36 4) 5/9 Solution: Option (4) 5/9 If two dice are tossed, the total number of sample space = 36 Let A be the event... View Article