Question
How is U related to
W? Answer the questions based on the information given below. In a certain code, A 1 B means A is only brother of B. A 2 B means A is mother of B. A 3 B means A is only son of B. A 4 B means A is father of B. A 5 B means A is only sister of B. A 6 B means A is only daughter of B. U 2 V, R 2 S, S 5 T, T 2 Y, Y 6 W, X 1 Y, V 1 Q, Q 6 P, P 3 RSolution
By decoding the codes, we get:U 2 V means U is mother of V. V 1 Q means V is only brother of Q. Q 6 P means Q is only daughter of P. P 3 R means P is only son of R. 
R 2 S means R is mother of S. S 5 T means S is only sister of T. T 2 Y means T is mother of Y. Y 6 W means Y is only daughter of W. X 1 Y means X is only brother of Y. The final arrangement is as follows: 
A box has 6 red, 5 blue, 4 green balls. Two balls drawn without replacement. If at least one is blue, what is the probability that both are blue?
- Find the probability of selecting a face card from a deck of well shuffled cards.
- The probability that Riya passes the test is (4/9) and the probability that Aditya fails is (1/3). If both appear for the test, find the probability that t...
What will be the probability of choosing one red and one green ball from a basket containing 4 red and 5 green balls if two balls are drawn randomly?
A bag contains (a + 2) red pens, (a – 3) green pens, and (a – 7) blue pens. Two pens are drawn in succession without replacem...
In a box there are 12 orange, 5 white, and 7 blue balls. One ball is picked up randomly. What is the probability that it is neither white nor blue?
...A box contains 6 red balls, 5 green balls, and 4 blue balls. Two balls are drawn at random. What is the probability that one ball is red and the other i...
In a bag there are a total of 60 fruits. The average of the number of apples and mangoes in the bag is equal to the number of bananas in the bag. The ra...
A box contains (x + 10) pencils, (x + 15) pens, and (x + 20) markers. The probability of drawing a marker from the box is (2/5). Find the number of pens...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
Relevant for Exams:
