The mean of the 5 smallest numbers from a group is 18 while the mean of all the 13 members of the group taken together is 20. What is the mean of the 8 largest numbers?
A sum of money when invested for 5 years gives Rs. 5,250 as the amount. If the simple rate of interest was 2% per annum more than what it was, the amount would have been Rs.. 5,600. The original sum invested was:
In a hostel, there is stock of 6,190.80 kg of wheat for feeding 105 students for 22 days. After 5 days, 14 students joined the hostel. How many days will the balance wheat feed the students, if all students consume the same quantity per day?
