Question

Class 9th
Choose the correct alternative each of the following (1 to 6)

1 An irrational number between 3 and 5 is:

(a) 81/4

2. If x=

(b) √3+√5

1

is equal to:

(b) 4

=a-b√3 then:

(b) a= 2,b=1

(c) √√3x √5

(d) √3+√5 2

(d) 4-2√3

1

2+√3

(a) 2√3

3. If

√3+1

√3-1 (a) a = 2,b=-1

4. The value of x12x√x is: (a) x7

(b) x6

5. If √5 + x = 3, then value of x is: (b) 64

(a) 125

6. The value of 0-54 in the form of

27 50 (a)

4 7 (b)

then x +

(c)-2√3

(c) a = -2, b = 1

(d) a=-2, 6-1

(d) x 10

(d)9

(c)x8

(c) 27

is:

6 11 (c)

(d) None of these

​

Answer 1

Answer:

(B) is the correct answer.