73) Find the amount received by Suresh on Rupees 7,800 at simple interest for four years at 6.5% per annum
Answer is:
Rs. 9,828
Related OFB Labour Group-C Question Paper - 2014 with Answer Key
Answer is:
Rs. 2,680
Answer is:
Rs. 378
Answer is:
60 days
Explanation:
A and B together can do a piece of work in 20 days
Part of work A and B can do in 1 day = 1/20
A alone can do the work in 30 days
Part of work A can do in 1 day = 1/30
∴ Part of work B alone can do in a day = 1/20 - 1/30 = 1/60
∴ B alone can do the work in 60 days