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Let total amount work be = 40 x 22 = 880 units Amount of work done by Q and R in 32 days = 32 x 14 = 448 units Amount of work left = 880 – 448 = 432 Required time = 432/8 = 54 days
18 rotten bananas are accidentally mixed with 132 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
In a container holding 18 balls of three shades – orange, purple, and white – the probability of picking an orange ball is 1/3. If the count of whit...
What is the probability that Wye will speak truth for a particular question asked?
The probability that Aarav passes the exam is (3/8) and the probability that Meera fails the exam is (3/5). If both Aarav and Meera give the exam, then ...
One bag contains 5 yellow hats and 4pink hats. Another bag contains 3 yellow hats and 7pink hats. If one hat is drawn from each bag, what is the probabi...
A bag contains 12 black and 14 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...A bag contains 3 black and 9 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...If from a pack of 52 playing cards, 1 card is drawn at random. What is the probability that it is either a King, Queen or a Jack?
In a lottery, there are 11 prizes and 22 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...A bag contains x orange balls, (x + 5) purple balls and (x + 7) green balls. If probability of getting a purple ball is 1/15 more than that of getting a...