1. Zero
2. 2
3. 8
4. can't determine
can't determine
1. 4
2. 3
3. Infinite in number
4. None of these
4
1. 2.5 kg.
2. 2.4 kg.
3. 2 kg.
4. None of these
2.5 kg.
1. 27 seconds
2. 54 seconds
3. 18 seconds
4. None of these
27 seconds
1. 6160
2. 1584
3. 1260
4. None of these
1584
1. 65
2. 35
3. 20
4. 16
35
1. 80
2. 78
3. 76
4. 60
60
1. x1=4.5, x2=-2.5
2. c=-15
3. x1=-5, x2=3
4. None of these
c=-15
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