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. 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
1. 2b2 = h2
2. 2h2 = b2
3. 3b2 = 2h2
4. 3h2 = 2b2
2h2 = b2
1. 245
2. 285
3. 240
4. 320
240
1. 3
2. 2
3. 1
4. None of the above
3
1. 1 : 1
2. 3 : 2
3. 4 : 1
4. 3 : 8
3 : 8