Question
A family of seven minors and some adults has an average
wheat consumption of 11.10 kg. The average consumption for minors is 5.5 kg per person, and for adults, it is 16 kg per person. Find the number of adults in the family.ÂSolution
The correct answer is A
A bag contains 8 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the num...
Given that E and F are events such that P(E) = 0.7, P(F) = 0.4 and P(E ∩ F) = 0.3, find P(E|F) and P(F|E)
A bag contains 4 orange balls, 5 black balls, and 6 pink balls. If 3 balls are taken out randomly, what is the probability that all the three balls
A bag contains 4 white balls, 9 red balls, and 5 green balls. Two balls are drawn at random. Find the probability that the two balls are red.
A card is drawn randomly from a collection of total face cards. What is the probability that the drawn card is a Queen?
A bag contains 5 red balls, 4 black balls and 8 white balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same c...
A bag contains 5 green gems and 7 orange gems. If 2 balls are drawn random, then what is the probability that at least 1 gem is orange.
In a silver box there are 8 green, 3 red, and 4 blue pens while in a gold box there are 6 green, 7 red, and 3 blue pens. One pen is drawn at random from...
- Two students are selected randomly without replacement from a group of 8 boys and 4 girls. Find the probability that both selected students are girls.
A box contains 8 red, 5 green, and 7 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls drawn are of...
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