Question
Statements: Some winters are summers.
All summers are springs. All springs are seasons. Conclusions: I. Some seasons are winters. II. All summers are seasons. III. Some seasons are not summers. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
Some winters are summers (I) + All summers are spring(A)= Some winters are spring (I) + All spring are seasons (A)= Some winters are seasons (I) or Some seasons are winters.(I) Hence l follows. All summers are spring.(A)+All springs are seasons (A) = All summers are seasons (A). Hence, II follows. There is not any negative statement, so we cannot have any negative conclusion from it.
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find...
Two hats are picked at random, what is the probability that all hats are of green colour?
Two marbles are drawn without replacement from a jar containing 6 blue, 4 yellow, and 2 white marbles. What is the probability that both marbles are yel...
A university has to select an examiner from a list of 50 persons. Out of these 50 persons, 20 are women and 30 are men. 10 persons know hindi and 40 do ...
- A boy attended 5 lab evaluations, each having a total of 100 marks. His scores were 88, 76, 92, 81, and 70. He randomly reveals one of the scores to his fr...
A box contains 6 red balls, 4 blue balls and 2 yellow balls. Two balls are picked at random. What is the probability that both balls are of the same color?
In a lottery, there are 11 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
One bag contains 5 yellow hats and 4pink hats. Another bag contains 3 yellow hats and 7pink hats. If one hat is drawn from each bag, what is the probabi...
A bag contains 6 purple balls, 9 yellow balls and 5 green balls. Three balls are drawn at random. Find the probability that at least two balls are yellow.
10 rotten bananas are accidentally mixed with 140 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...