Question

2020-2021
FIRST TEST SEPTEMBER
MARKS-20
SUBJECT-MATHS
CLASS-9 TH
I Choose the correct answer:
4x1/2= 2
1 In between two rational number there is/are:
a) Exactly one rational number b) Infinitely many rational number c) Many irrational numbers
2. The product of a rational and an irrational numbers is:
a) Always an integer b) Always a rational number
c) Always an irrational number
d) Sometimes rational and sometimes irrational
3) Which of the following is irrational?
a) 14/9
b) v12/v3
c) V5
d) 781
4) ) 405 +5v5 is equal to:
a) 9V5 b) 910 c) 5v10
d) 775
Il Answer the following questions
1x4 -4
1) Find 4 rational numbers between 2 and 3
2) write the following in decimal form and say what kind of decimal expansion 36 / 1000
3) Express the following in the form of p/q where p and q are integer and Q is not equal to 0
4) Rationalize the denominator the following
1 /V5 +v2
III Answer the following questions
2x4-8
1) what are rational numbers ? Give any two examples
2) Find the decimal expansion of 1) 10/1 2) 7/8
3) Divide 8715 by 2V3
4) you know that 1/7=0.142857... can you predict what the decimal expansion of 2/7,3/1
3x2=1)
IV Answer the following questions
1) show how v5 can be represented on number line.​

Answer 1

Itna Bada question Kaun Karega