Start learning 50% faster. Sign in now
The silk fibres are held together in cocoon by a substance known as sericin which is secreted by middle gland of the salivary gland (silk glands) of silk worm.
17 rotten bananas are accidentally mixed with 120 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
In a box there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
In a class, there are 16 boys and 24 girls. One of them is called out by an enroll number. What is the probability that the one called is a girl?
A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
In a lottery, there are 8 prizes and 20 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...Two schools, A and B participate in a Quiz competition. The probability of A’s winning is 3/7 and the probability of B’s winning is 3/5. Wha...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
Out of 6 white marbles, 3 blue marbles, in how many ways we select one or more marbles?
A box contains 5 blue jellies, some red jelly and rest yellow jelly. The probability of picking a red ball at random is 3/10, while the probability of p...
A number is randomly chosen from 1 to 100(both inclusive). What is the probability that it is divisible by 2, 3 or 5?