Question
Select the number from among the given options that can
replace the question mark (?) in the following series. 3, 4, 7, 12, 19, 28, ?Solution
A bag contains 35 white and some black balls. If the probability of drawing a black ball from the bag is 1.8 times that of drawing a white ball, find th...
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)
A bag consists of ‘x’ orange balls and 4 purple balls. If the probability of taking out an orange ball is 7/11, find the probability of getting one ...
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?
24 defective pens are accidentally mixed with 120 good ones. It is not possible to just look at a pen and tell whether or not it is defective. On...
21 rotten bananas are accidentally mixed with 135 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
The probability of selecting 2 one-rupee coins from a collection of 'a' one-rupee coins and 4 two-rupee coins is 1/3. Determine the probability of rando...
- There are black and white marbles in a jar in the ratio 4:5. After 20 marbles of each type are added, the ratio becomes 6:7. Find the original number of wh...
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?
What is the Probability of getting a sum of ‘9’ on rolling a dice twice?
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