If 70, 75, 80, 85 are the first four terms of an arithmetic progression, then the 10th term is:

1. 35

2. 25

3. 115

4. 105

The A.P. 6, 13, 20, …, 216 has 31 terms. The middle term of the A.P. is :

1. 91

2. 97

3. 107

4. 111

Which term of the A.P. 11, 8, 5, 2, ….. is −148 ?

1. 52nd

2. 54th

3. 55th

4. 57th

How many three-digit numbers are divisible by 7?

1. 128

2. 124

3. 136

4. 132