1. 4
2. 3
3. 2
4. None of these
4
1. m2 + n2 is divisible by 25
2. m-n is divisible by 5
3. m + n is divisible by 10
4. None of these
m + n is divisible by 10
1. Average weight of group D is greater than average weight of group A but less than the average weight of weight B.
2. Average weight of group D is greater than that of group B but less than the average weight of group A.
3. Average weight of group D is equal to the average of the average weights of group A and group B.
4. None of these.
None of these.
1. It is possible only if the weight of the student is less than the average weight of group of A and more than the minimum weight of any of the students in group B.
2. It is possible only if the weight of each student in group A is greater than the weight of any student in group B.
3. It is possible only if the weight of the student is less than the average weight of group A and greater than the average weight of group B.
4. None of these.
It is possible only if the weight of the student is less than the average weight of group A and greater than the average weight of group B.
1. Class average is greater than the average weight of group A but equal to that of group B.
2. Class average is less than the average weight of group C but equal to that of group B.
3. Class average is equal to that of group B.
4. None of these.
Class average is equal to that of group B.
1. 15 kmph
2. Not possible
3. 20 kmph
4. None of these
Not possible
1. 2 ≤ x≤ 6
2. 5 ≤ x≤ 8
3. 9 ≤ x≤ 12
4. 11 ≤ x≤ 14
5. 13 ≤ x≤ 18
5 ≤ x≤ 8
1. -7
2. -4
3. 2
4. 6
5. cannot be determined
-4
1. 9
2. 14
3. 13
4. 37
5. cannot be determined
cannot be determined
1. 78
2. 19
3. 20
4. 77
5. 22
20