ICSE − Q & A

Last 3 days preparation tips?

are the problems which involve elimination of theta important

b) Find the equation of the line parallel to the line 3x – 5y = 7 and passing through the point which divides the line segment joining the points A(– 3, 3) and B(2,–7) in the ratio 2 : 3.

Is it 5y = 3x -2 ?

+ 1 more questions by erick312  

a) On a certain sum of money, the difference between the compound interest for a year, payable half yearly and the simple interest for a year is Rs.180. Find the sum lent out, the rate of interest in both the cases being 10% per annum. Is it Rs. 72000?
asked by Erick Rajamani (erick312) 7 years ago
1

looking for link of topperlearning notes??

http://www.respaper.com/anurag2001/9939-pdf.html Question 5 a

Given 5cosA-12sinA=0
Evaluate sinA+cosA/2sinA-cosA

Selina pg 436 : How to do part ii of Q 10B (revision paper 2)

A person invested 4455 in R100 shares at R81. He sold out R2500 worth shares when they have risen to R85 and the remaining at R78. Find the gain or loss.
R=rupees

Here we have to take 2500/ 100(NV) = 25 shares sold right? cause of we take 2500/85 the it comes in decimal points which is not possible...
Am I correct?

http://www.respaper.com/deshkapanda/253/3498-pdf.html In this paper, how did you got the answer of  Question-3) b)iii) ?
(Value of BED)

Please explain.
Thanks

(x-a)(x-b) = m^2
prove that both the roots of this equation are always real.