The correct answer is B
The probability of selecting a rotten apple randomly from a heap of 250 apples is 0.20. What is the number of rotten apples in the heap?
...A container holds (x + 10) marble stones, (x + 12) quartz stones, and (x + 20) granite stones. The probability of drawing a granite stone is (5/12). Fin...
In a basket, there are (x + 7) red balls, ‘x’ blue balls, and (x + 3) black balls. If the probability of picking two blue balls at random is (1/28),...
A is trying to break a bulb by throwing balls at it. If he hits the bulb 5 times in every 7 throws and bulb breaks 3 times out of 15 hits, then find the...
Two hats are picked at random, what is the probability that one is blue and one is yellow?
A person wanted to visit four places Chennai, Bangalore, Delhi, and Mumbai in one trip. Find the probability of the person visiting Chennai immediately ...
Out of three girls and five boys, five children are to be randomly selected for a dance programme. What is the probability that all the selected childre...
In a bag there are a total of 60 fruits. The average of the number of apples and mangoes in the bag is equal to the number of bananas in the bag. The ra...
If a coin is tossed 10 times then what is the probability of getting three heads?
Two hats are picked at random, what is the probability that all hats are of green colour?
