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CBSE Worksheet for chapter-2 Number System class 9

Worksheet For class 9

Find CBSE Worksheet for chapter-2 Number System class 9

CLASS-9

BOARD: CBSE

Mathematic Worksheet - 2

TOPIC: Number System

For other CBSE Worksheet for class 9 Mathematic check out main page of Physics Wallah.

OBJECTIVE:

  1. Which of the following is not rational number?
    1. √2
    2. √4
    3. √9
    4. √16
  2. The number(3-√3)/(3+√3)is
    1. Rational
    2. irrational
    3. both
    4. can’t say
  3. The exponential form of is
    1. Number System
    2. Number System
    3. Number System
    4. 6
  4. The rational form of 2.7435 is
    1. (27161@.)/9999
    2. 27/99
    3. 27161/9900
    4. 27161/9000
  5. 5.2 is equal to
    1. 45/9
    2. 46/9
    3. 47/9
    4. none

SUBJECTIVE :

  1. Prove that √3+√5 is a rational number.
  2. Find one irrational number between two rational 0.1111….and 0.1100….
  3. Represent √8.3 on number line.
  4. Prove that (√2+√5)is an irrational number.
  5. Multiply .Number System
  6. Simplify 0.4 + 0.18.

OBJECTIVE

  1. IF x=3 + √8 and y= 3 -√8 then, =1/x2 +1/y2
    1. -34
    2. 34
    3. 12
    4. -12
  2. If (3+√7)/(3-√7) = a +b√7 then (a,b)=
    1. (8,-3)
    2. (-8,-3)
    3. (-8, 3)
    4. (8, 30)
  3. If x= (3+√7)/(3-√7) and y=1 the values of (x-y)/(x-3y)is
    1. 5/(√6-4)
    2. 5/√(6+4)
    3. (√6-4)/5
    4. (√6-4)/5
  4. The value ofNumber Systemis
    1. a) 1/8
    2. b) 1/16
    3. c) 1/32
    4. d) none
  5. Simplify: 2/(√5+√3)+1/(√3+√2)-3/(√5+√2)
    1. 1
    2. 0
    3. 10
    4. 100
  6. 25x 2x=Number System
    1. 0
    2. -1
    3. 1/2
    4. 1
  7. Number System
    1. x
    2. x1/2
    3. x1/3
    4. x1/6

SUBJECTIVE

Number System

Solutions: to worksheet-2 Topic-Number System

Objective:

  1. b
  2. d
  3. d
  4. a
  5. b
  6. d
  7. d

Subjective:

3)(12+56√10)/3
4)

  1. 145,
  2. 283,
  3. 17

4) y(9⁄4)/x(5⁄6)

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