The simple interest accured on a sum of money at the end of four years is 1/5 th of its principal. What is the rate of interest per annum?
1)4%
2) 5%
3) 6%
4)Data Inadequate
Nine persons went to a hotel for taking their meal. Eight of them spent Rs. 12 each over their meal and the ninth spent Rs 8 more than the average expenditure of all the nine. Total money spent by them was:
(1) Rs. 104
(2) Rs. 105
(3) Rs. 116
(4) Rs. 117
20 men can complete the work in 40 days. When sbould 4 men leave so as to finish the work in 48 days?
1) 4 days
2) 8 days
3) 6 days
4) 10 days