1. 31
2. 63
3. 75
4. 91
91
1. 5p – 2q – r = 0
2. 5p + 2q + r = 0
3. 5p + 2q – r = 0
4. 5p – 2q + r = 0
5p – 2q – r = 0
1. 40
2. 37
3. 39
4. 38
39
1. There is a person in the party who is acquainted with all the twenty-six others.
2. Each person in the party has a different number of acquaintances.
3. There is a person in the party who has an odd number of acquaintances.
4. In the party, the is no set of three mutual acquaintances.
Each person in the party has a different number of acquaintances.
1. 4.0
2. 4.5
3. 1.5
4. None of the above.
None of the above.
1. Uniquely equal to zero
2. Uniquely equal to 1
3. Uniquely equal to 4
4. Cannot be determined uniquely
Uniquely equal to 1
1. Uniquely equal to zero
2. Uniquely equal to 1
3. Uniquely equal to 4
4. Cannot be determined uniquely
Cannot be determined uniquely
1. a multiple of n
2. equal to n +(1/n)
3. never less than n
4. a positive integer
never less than n
1. 34
2. 38
3. 36
4. 32
36
1. 10 cm
2. 40 cm
3. 50 cm
4. None of the above
50 cm