1. By how much is three-fifth of 350 greater than four-seventh of 210?
2. If 17 laborers can dig a ditch 26 m long in 18 days, working 8 hours a day; how many more laborer working 9 hours a day?
3. 50 is divided into two parts such that the sum of their reciprocals is 1/12. Find the two parts.
4. The current Secretary General of SAARC is :
5. In a client/server model, a client program -----.