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Let the quantity of oil in the containerbe 3x and 2x litres respectively. According to the question, => 3x = 0.25 × (2x + 90) => 2.5x = 22.5 => x = 9 Total capacity of the container= 3x + 2x + 90 = 135 litres.
A bag contains 13 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 nu...
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
A jar contains 10 oranges, 4 pink, 7 black, and 5 purple marbles. If a single marble is chosen at random from the jar, what is the probability that it i...
A bag contains 24 white and some black balls. If the probability of drawing a black ball from the bag is 1.5 times that of drawing a white ball, ...
A bowl contains 9 blue balls, 7 white, and 5 black balls. If 2 balls are drawn in one go, then the probability of exactly one ball being white is:
A bag contains 5 red balls, 6 blue balls, and 9 green balls. Two balls are drawn at random without replacement. What is the probability that both balls ...
A bag contains 7 blue balls, 3 red balls, and the rest are black balls. The probability of drawing a black ball from the bag is 4/9. How many black ball...
Three cards are drawn one after another with replacements from a standard deck of 52 cards. What is the probability of getting the first card a Queen, t...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
34 pens are there in a box where 10 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...