Genetics Lessons

The bar graph given below shows the sales of books (in Thousand number) from six branches of a publishing company during two consecutive years 2000 and 2001. Total sales of branch B6 for both the years is what percent of the total sales of branches B3 for both the years? A) 68...

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? A) 3/4 B) 4/7 C) 1/8 D) 3/7 Watch this this video for a solution:

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)? A) 1/13 B) 3/13 C) 1/4 D) 9/52 Watch this video for the ans

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is: A) 3/20 B) 29/34 C) 47/100 D) 13/102 watch this video for the answer:

A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is: A) 1/22 B) 3/22 C) 2/91 D) 2/77 Watch this video for a solut

A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is: A) 1/13 B) 2/13 C) 1/26 D) 1/52 Watch the video to find the answer:

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings? A) 1/15 B) 25/57 C) 35/256 D) 1/221 Watch the video for the answer:

An endangered frog species is found in only three isolated, closed populations, suppose the probability of local extinction in a time period of 10 years of each of these three population is the same and equals to 0...

Two dice are tossed. The probability that the total score is a prime number is: A) 1/6 B) 5/12 C) 1/2 D) 7/9 For the answer watch this video:

Law In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize? A) 1/10 B) 2/5 C) 2/7 D) 5/7 For the answer watch the video:

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: A) 21/46 B) 25/117 C) 1/50 D) 3/25 Watch this video for a solution...

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even? A) 1/2 B) 3/4 C) 3/8 A) 5/16 Watch this video for an answer: