Question
A invested Rs X in a scheme. After 6 months, B
joined with Rs 15000 more than that of A. After an year, ratio of profit of B to the total profit was 3: 7. Find the value of X.Solution
Anna is participating in a trivia game with 6 questions, each with 3 choices. Only one choice is correct per question. If Anna guesses on all questions,...
In a basket, the ratio of the number of yellow and black marbles is 4:5, respectively, and the ratio of black to white marbles is 5:6. If the total numb...
An instructor has a question bank consisting of 200 easy True / False questions, 300 difficult True / False questions, 400 easy multiple-choice question...
A game consists of tossing three coins once and then rolling two dice. Find the probability of getting exactly two heads in the coin toss and a sum equa...
Given that E and F are events such that P(E) = 0.7, P(F) = 0.4 and P(E ∩ F) = 0.3, find P(E|F) and P(F|E)
In a box there are 6 red, 12 blue, and 18 yellow cards. One card is picked up randomly. What is the probability that it is neither red nor yellow?
In a lottery, there are 8 prizes and 20 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...A bag contains 3 black balls, 7 red balls and 5 white balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same c...
19 rotten bananas are accidentally mixed with 136 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 5 green gems and 7 orange gems. If 2 balls are drawn random, then what is the probability that at least 1 gem is orange.
