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No wire is a cable (E) + Some cables are paints (I) Some paints are not wires (O*) All bulbs are wires (A) + No wire is a cable (E) No bulb is a cable (E) Conversion Some cables are not bulbs (O). All bulbs are wires (A) + No wire is a cable (E) No bulb is a cable (E) + Some cables are paints (I) Some paints are not bulbs (O*). Hence, option 1 is correct.
Among a set of 6 black balls and 3 white balls, how many selections of 5 balls can be made such that at least 3 of them are black balls?
In how many different ways can 4 blue beads and 3 red beads be arranged in a row such that all the blue beads are together and all the red beads are tog...
In how many ways a Cricketer can make a Double century with fours and Sixes only?
An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he...
Find the no. of words formed by using all the letter of the word DISCOUNT, so that the vowels are never together?
Four dice are rolled simultaneously. What is the number of possible outcomes in which at least one of the die shows 2?
In How many ways can a student choose a program of 5 courses, if 9 courses are available and 2 courses are compulsory for every student?
In how many different ways can the letters of the word “MONDAY” be arranged in such a way that the vowels always come together?
Geography books are always together.
In how many ways can 17 members be seated in two lines with seating capacity of 9 and 8 members respectively?
1. 9! ×8!
2. �...
