The following pie-chart shows the monthly expenditure of family on various items. If the family spends Rs. 825 on clothing answer the question

What percent of the total income does the family save 

Four coins whose diameter is 12.6 cm are placed in such a way that one coin touches the other coin, find the area between them.

A book can be read in 40 days if 7 pages are read every day. If the book needs to be read in 8 days. How many pages should be read every day? 

A can make a cupboard in 20 days and B can do it in 60 days . Along with C , they did the job in 10 days only . Then in how many days C alone can do the job ? 

Sandeep's salary is 20% more than that of Aron. If Sandeep saves Rs.720 which is 4% of his salary, then Aron's salary (in Rs.) is

If the circumradius of an equilateral triangle ABC be 8 cm, then the height of the triangle is 

The pie chart below represents the instruments played by students of a school. Read the chart and answer the following questions based on it.

If there are 300 students in total, what is the difference between those who play Tabla and those who play Veena? 

Bhuvnesh has drawn an angle of measure 45⁰7’ when he was asked to draw an angle of 45⁰. The percentage error in his drawing is