Book: RS Aggarwal & V Aggarwal - Mathematics
Chapter: 1. Real Number
Subject: Mathematics - Class 9th
Q. No. 7 of Formative Assessment (Unit Test)
Listen NCERT Audio Books to boost your productivity and retention power by 2X.
7
Express 
as a rational number in the form 
where p and q are integers and 
Let x = 
then
X = 0.123232323………………(i)
10x = 1.23232323 …………….(ii)
100x = 123.23232323 ………..(iii)
On subtracting (ii) from (iii) we get,
90x = 122
X=
X =
Chapter Exercises
More Exercise Questions
6
Divide 
13
If 
15
Simplify: 
17
Match the following columns:
Column I | Column II |
A. B. C. D. | (p) a rational number (q) an irrational number (r) (s) |
The correct answer is:
(a)-……., (b)-……., (c)-……., (d)-…….,
20
Prove that 
