Question : 20 students of a college went to a hotel. 19 of them spent INR 175 each on their meal and the 20th student spent INR 19 more than the average of all the 20. Find the total money spent by them.

Question : Nine students in a class contribute a certain sum of money. Seven of them gave Rs. 50 each, and the other two gave, respectively, Rs. 50 and Rs. 90 more than the average contribution. The average contribution of the class of nine students is:

Question : The average daily income of 7 men, 11 women, and 2 boys is Rs. 257.50. If the average daily income of men is Rs. 10 more than that of women and the average daily income of women is Rs. 10 more than that of boys, then the average daily income of a man is:

Question : A sum of Rs. 15525 is divided among Sunil, Anil, and Jamil such that if Rs. 22, Rs. 35, and Rs. 48 are diminished from their shares, respectively, their remaining sums shall be in the ratio 7 : 10 : 13. What would have been the ratio of their sums if Rs. 16, Rs. 77, and Rs.

Question : (N + 15) persons working 9 hours a day can complete 36% of a work in 8 days. (N + 9) persons can complete the remaining work in 20 days if each of them works for 7 hours per day. Determine the value of N.