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Math Assignment Class IX Ch -1| Number System

Maths Assignment  Class 9th Chapter 1

Math Assignment for Class IX Ch -1, Number System strictly according to the CBSE syllabus. Extra questions based on the topic Number System. 

MATHEMATICS ASSIGNMENT CLASS IX 
NUMBER SYSTEM

Q1- Insert 5 rational and 5 irrational numbers between

(a) 7 & 8,  (b) 2 & 3.2,   (c) 2.7 & 6.32,

 



Q2- Represent the following on the number line.

  


Q3- Express the following in p/q form





 

 Q 4:  Evaluate

 (a) 1⁸ × 3⁰ × 5³ × 2²           Ans; 500,                

(b)  4-3 × 4⁸ ÷ 4²                Ans; 64

(c) 3⁷ ÷ 3⁴ × 3-6                 Ans                    

(d) 3-4 × 3-5 ÷ 3¹⁰             Ans; 3-19

Q5- Evaluate








Q6.  If    , then find the value of the followings

     

      

 


Q7.  Rationalize the denominator of 

  

  

  


Q 8.  Rationalize the following and find the value of a and b




Q 9.  Simplify the followings







Q10  Show that 0.142857142857….=  


Q11- Locate   

    on the number line.

Q 12.  Find the value of a and b  if  

Q 13. Show that : 


Q 14.  If x = , y =     find x² + y².   [ans; 98]

Q 15 Find the value of a and b if 

    

Q 16. Simplify:      [Ans; 0]

Q 17. Simplify:      [Ans; 1]

Q 18.  Rationalize the denominator of  


Q 19.   

Q 20.  If     = 3.162, then find the value of        [Ans; 0.3162]
Q 21.  If 27ˣ =  , then find x.        [Ans; 1/2]
Q 22. Simplify [5(81/3+271/3)³]1/4 .          [Ans; 5]
Q 23. Simplify- (1³ + 2³ + 3³)1/2.           [Ans; 6]

Q 24. If (5x-3)(32x-8) = 225 find x.    [Ans; 5]

Q 25. 
Prove that :          



                                                                                                                                             

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