A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?
A). 63
B). 511
C). 1023
D). 15
1023
NA
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1. How many three letter words are formed using the letters of the word TIME
2. How many different words can be made using the letters of the word ' HALLUCINATION ' if all constants are together?
3. In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
4. 25 buses are running between two places P and Q. In how many ways can a person go from P to Q and return by a different bus?
5. Given below are two quantities named 1 and 2. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers. Quantity 1: If 10 × nC2 = 3 × n + 1C3, then 9n = ? Quantity 2: If nC5 = nC6 , then 13Cn = ?
6. The number of circles that can be drawn out of 10 points of which 7 are collinear is
7. In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?
8. A two member committee comprising of one male and one female member is to be constitute out of five males and three females. Amongst the females. Ms. A refuses to be a member of the committee in which
9. From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?
10. After every get-together every person present shakes the hand of every other person. If there were 105 handshakes in all, how many persons were present in the party?
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