1 Answers
Talk Doctor Online in Bissoy App
A bag contains lemon flavoured candies only. Malini takes out one candy without looking into the bag. What is the probability that she takes out
(i) an orange flavoured candy? Solution: Zero (ii) a lemon flavoured candy? Solution: 1
1 Answers 1 views
A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag.
Solution: Total number of outcomes = 3 + 5 = 8 Number of favourable outcomes = 3 Hence; P(Red) = 3/8 (ii) not red? Solution: P( not Red) = 1-3/8 = 5/8
1 Answers 1 views
A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marble is taken out of the box at random.
Solution: Total number of outcomes = 5 + 8 + 4 = 17 Number of red marbles = 5 Number of white marbles = 8 Number of green marbles = 4 (i) Red? Solution: Probability of red...
1 Answers 1 views
A sweetseller has 420 kaju barfis and 130 badam barfis. She wants to stack them in such a way that each stack has the same number,
Solution: HCF(420, 130) will give the maximum number of barfis that can be placed in each stack. By Euclid’s division algorithm, 420 = 130 x 3 + 30 130 = 30 x 4 +...
1 Answers 1 views
Which of the following are environment-friendly practices? (i) Carrying cloth-bags to put purchases in while shopping.
(iv) All of the above.
1 Answers 1 views
Put a tick (√) against the garbage items given in Table 16.1 which could be converted into manure. Put a cross (×) against the others.
Tick (√) against i, ii, iii, viii, x Cross (×) against iv, v, vi, vii, ix
1 Answers 1 views
Recently, a ban on plastic bags has been imposed in many places? Is the ban justified? Give reasons in three sentences.
Give your justification according to your stand if you are for or against the ban.
1 Answers 1 views
A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5 marbles are drawn from the box, what is the probability that
Total number of marbles = 10 + 20 + 30 = 60 Number of ways of drawing 5 marbles from 60 marbles = 60C5 (i) All the drawn marbles will be blue...
1 Answers 1 views
A bag contains slips numbered from 1 to 100. If Fatima chooses a slip at random from the bag, it will either be an odd number
True, because the outcomes 'odd number' and 'even number' are equally, Iikely here.
1 Answers 1 views
A bag contains lemon flavoured candies only. Malini takes out one candy without looking into the bag. What is the probability that she takes out.
(i) As the bag contains only lemon flavored candies. So, the event related to the experiment of taking out an orange flavored candy is an impossible event. So, its probability...
1 Answers 1 views