If the product of 3 consecutive integers is 210, then the sum of the two smaller integers is
1. 5
2. 11
3. 12
4. 13

A is twice as fast as B and B is thrice as fast as C. The jaurney cavered by C in 42 minutes will be    covered by A in

1)  7 min:

2)  14 min.

3)  28 min.

4)  35 min.

 (1) 42      (2) 50      (3) 58       (4) NONE OF THESE