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 shows the number of misprints in various pages of a book containing 300 pages Find the mean misprints per page

The number of pages in a book Ninad read for five consecutive days were 60, 50, 54, 46, 50. Find the average number of pages he read everyday.

Six men pack 312 percels per day Find the number of parcels packed by 11 men per day.

Abe reads a book every day some page in the morning and some in the evening. He reads 23 pages every morning and 31 page every evening . The number of page completed by Abe after some number of days can be written as a function of the number of pages read in the evening . If the number of days is represented by ' N', the number of page read in the morning be 'M' and the number of pages read in the evenings be 'E' , which of the following the number of days for which Abe read the book ? It is know that if Abe read in the morning , he did not read in the evening and vice versa.

Can we say that every variation is a proportion A book consists of 100 pages. How do the number of pages read and the number of pages left over in the book vary? What happened to the number of left over pages, when completed pages are gradually increasing? Are they vary inversely? Explain.

The average number of pages of 9 books is 400. If the average number of pages in the first 5 books is 430 and that of in the last five books is 380, then find the number of pages in the fifth book. 9 पुस्तकों के पृष्ठों की औसत संख्या 400 है | यदि प्रथम पांच पुस्तकों के पृष्ठों की औसत संख्या 430 और अंतिम पांच पुस्तकों की 380 है, तो पांचवीं पुस्तक के पृष्ठों की संख्या कितनी है ?

Directions: The following bar graph shows the number of pages in five different books (viz. A, B, C, D and E). Study the graph carefully and answer the following questions. What is the ratio of total number of pages in book B and E together to the total number of pages in book C and D together?

A is thrice as efficient as B.A and B cam complete a piece of work in 12 days. Find the number of days in which A alone complete it.