If 60 students, each contributes Rs. 80, the amount to buy new benches for the coaching class can be collected. If 6 students drop out how much additional amount does each student have to pay ?

Pankaj, Ashwin and Tarun started a business in partnership investing in the ratio of 6:5:8 respectively. At the end of the year they earned a profit of Rs. 85,500, which is 15% of their total investment. How much did Ashwin invest ?

Computer A takes 3 minutes to process an input while computer B takes 4 minutes. If computers A, B and C can process an average of 15 inputs in one hour, how many minutes does Computer C alone take to process one input ?

The ratio of officers to clerks is 4 : 9 respectively. When 32 new clerks are recruited, the ratio will become 4 : 1 7 . How many officers will there be in the group ?

If the production of a factory grows at a rate of 8% p.a., what will be its production for the year 2006 if its production in 2004 was 60 lakh tonnes (Rounded off to two digits after decimal) ?