1)

A and B together can do a piece of work in 9 days. If A does thrice the work of B in a given time, the time A alone will take to finish the work is

, Avg: 01:40 , 66%✓ SSC CGL 2016

A)

12 days

B)

10 days

C)

8 days

D)

6 days

2)

In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar

, Avg: 00:33 , 50%✓ SSC CGL 2016

A)

6.2 sec

B)

7.2 sec

C)

8.2 sec

D)

7.0 sec