Freshers India

400 persons, working 9 hours per day complete ¼ th of the work in 10 days. The number of additional persons. Working 8 hours per day, required to complete the remaining work in 20 days, is?                          

If 18 persons can build a wall 140 m long in 42 days, the number of days that 30 persons will take to complete a similar wall 100 m long, is. [CE I Tax 1993]?                          

If 6 men working 8 hours a day earn Rs. 840 per week, then 9 men working 6 hours a day will earn how much per week?. [I. Tax 1988]?                          

If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost? ?                          

The price of 438 oranges is Rs. 1384.08. What will be the approximate price of 8 dozens of oranges ?. [Bank PO 1994]?                          

30 labourers, working 7 hours a day can finish a piece of work in 18 days. If the labourers work 6 hours a day, then the number of labourers to finish the same piece of work in 30 days, will be:?