The raw material cost of an article is 1/3 of its manufacture cost. If the cost of manufacturing is decreased in the ratio of 4 : 3 and the cost of its raw material is increased in the ratio of 4 : 5, then overall cost of article reduced by Rs. 16. Find out its initial cost?
A coin is tossed 9 times. Find the probability of almost 2 tails.
Out of 8 white marbles, 5 blue marbles, in how many ways we select one or more marbles?
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond?
From a pack of 52 cards, One card is drawn at random. What is the probability that the card drawn is a king or a heart?
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
A bag contains 9 Green and 10 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
15 rotten bananas are accidentally mixed with 115 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
A bag contains black and white balls, such that the probability of picking a black ball is 4/7. If the probability of picking two black balls without re...
30 pens are there in a box where 9 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue...
A bag contains 7 red gems, 8 yellowgems and 5 greengems . 3gems are drawn randomly. What is the probability that theg...
