Ratio of investment of A to B = 5:6 Ratio of investment of B to C = 12 : 14 = 6:7 Ratio of investment of A to B to C = 5 : 6 : 7 C’s share = 7/(7+6+5)×total profit =2275 ∴ Total profit = 2275 × 18/7 = Rs. 5,850
A box contains 6 red, 4 blue, 2 green and 4 yellow pens. Two pens are picked at random, what is the probability that one is blue and one is yellow?
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)
If a coin is tossed 10 times then what is the probability of getting three heads?
A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
A bag contains 8 red flowers and 11 yellow flowers. One flower is drawn at random. What is the probability that the flower drawn is a yellow flower?
A person can hit a target 3 times out of 8 shots. If he fires 10 shots, what is the probability that he will hit the target twice
Ten tickets numbered 1 to 15 are placed in a box, mixed up thoroughly and then one ticket is drawn randomly. If it is known that the number on the drawn...
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 2.5 times that of drawing a white ball, ...
If a coin is tossed 10 times then what is the probability of getting three heads?
A black and a red dice are rolled. Find the conditional probability of obtaining a sum greater than 9, given that the black die resulted in a 5.
