A postman delivered daily for 42 days 4 more latters each day than on the pervious day. The total delivery for the firs 24 days of the period was the same as that for the last 18 days. How many letters did he deliver during the whose period?

A man ate 100 grapes in 5 days. Each day, he ate 6 more grapes than those he ate on the earlier day. How many grapes did he eat on the first day?

3 men can do a piece of worki n 18 days , 6 boys can also do the same work in 18 days. In how many days, 4 men and 4 boys together will finish the work?

A daily wage worker was paid 1700 during a period of 30 days. During this period he was absent for 4 days and was fined Rs. 15 per day for absence. He was paid the full salary only for 18 days as he came late on the other days. Those who came late were given only half the salary for that day. What was the total salary paid per month to a worker who came on time every day and was never absent ?

What is the average daily wages of a worker who works five days if he made Rs. 80 the first day ? I. The corker made a total of Rs. 400 for the first four days of work. II. The worker made 20% more each day than he did on the previous day.

A works twice as much as B in the same time period. Together, they finish the work in 14 days. In how many days can it be done by each separately?

A worker is paid Rs 210 for 6 days work. If his total income of the month is Rs 875, for how many days did he work?

18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?