ICSE − Q & A

The marked price of an article is rs.9200 and the sales tax levied on it is 8%. A customer asks the trader to give this article for rs.9000 or less as he has only rs.9000 with him.The trader charged rs.8856 only including sales tax.Find the discount given by the trader.

*During maths tests, choose 'prove that' type problems as much as possible. Because there is no need of re-checking these problems, and you can be sure that you've written the correct answer.

*Most of the maths problems have more than one solving methods. While re-checking such problems, always check using alternative methods, not using the same method you used. Check whether both the answers are same. This way, you can detect careless mistakes.

Came across this in Quora. Thought it might help

Hi guys I had a doubt. 
In construction of hexagon 
Both the methods are accepted by the board or not.?
Thanks in advance! 
I

http://www.respaper.com/trushant01/343/8802-pdf.html in question 4.c)... how is the area of triangle 24??..... wat does d 6cm signify??

Medians of isos triangle are equal??

In an isosceles triangle PQR, where PQ=PR=17cm and QR =16cm, a circle is inscribed. Find its radius.

hey guys do we have to draw a kink in a question where an ogive is to be drawn where the class intervals do not begin from 0 ? 

And one more thing suppose we have  a question where the class intervals do not begin form 0 , so from which point should i start the ogive ?

http://www.respaper.com/anurag2001/9939-pdf.html can anyone pls show me the working of Q5a

in banking sums, where interest is calculated at the end of mar and Sept, wt i do is, cal the int fr 6 months add the last transaction to it...
the amt i get will be rounded off and multiplied with 6.. the resultant amt's int will be found and this int will be added to the 1 one.. can i do in this process or do you guys have a much better way?

If a/(b+c) = b/(c+a) = c/(a+b), show that each ratio is equal to 1/2 or -1. Answer ASAP.