A book consists of 30 pages, `25` lines on each page and 35 characters on each line. If this content is written in another note book consisting of 30 lines and `28` characters per line,then the required no. of pages will how much per cent greater than the previous pages?

A report consists of 20 pages each of 55 lines and each such line consist of 65 characters. This report is reduced onto page each of 65 lines such that each line consists of 70 characters. The percentage reduction in number of pages is closer to

If the cost of printing a book of 320 leaves with 21 lines on each page and on an average 11 words in each line is 19 , find the cost of printing a book with 297 leaves, 28 lines on each page and 10 words in each line.

In a small scale industry, a manufacturer produces two types of book cases. The first type of book case requires 3 hours on machine A and 2 hours on machine B for completion whereas the second type of book case requires 3 hours on machine A and 3 hours on machine B. The machines A and B respectively run for at the most 18 hours and 14 hours per day. He earns a profit of 30 on each type of case of first type and 40 on each book case of second type. How many book cases of each type should he manufacture so as to have maximum profit. Make it an LPP and solve it graphically.

The following table gives the number of pages written by Saria for completing her own book for 30 days. Find the mean number of pages written per day.

The following table gives the number of pages written by Saria for completing her own book for 30 days. Find the mean number of pages written per day.