For the following questions answer them individually
Which of the following political parties contested election in Andhra pradesh for the first
time during 15th Lok Sabha elections ?
A and B can do a piece of work in 12 days. B and C can do in 15 days. C and A can do in
20 days In how many daya. will C alone can finish the work separately ?
Two trains 121 meters and 99 meters in length respectively are running in opposite
directions, one at the rate of 40 kms and the other at the rate of 32 kms an hour. In what time
will they completely clear each other from the movement they meet ?
