An irrational number between `2\ a n d\ 2. 5` is `sqrt(11)\ ` (b) `sqrt(5)` (c) `sqrt(22. 5)` (d) `sqrt(12. 5)`

An irrational number between 2 and 2.5 is sqrt(11) (b) sqrt(5) (c) sqrt(22.5) (d) sqrt(12.5)

Write three irrational numbers between sqrt(5) and sqrt(7).

(a) sqrt(175) (b) 2sqrt(112) (c) sqrt(125) (d) 5sqrt(119)

sqrt5 is an irrational number.

If x=sqrt(5)+\ 2, then x-1/x equals (a) 2sqrt(5) (b) 4 (c) 2 (d) sqrt(5)

......... is a rational number between sqrt(2) and sqrt(3) a. 4/5 b. 3/2 c. 3/4 d. 6/5

The simplest rationalising factor of sqrt(3)+\ sqrt(5) is (a) sqrt(3)-5 (b) 3-sqrt(5) (c) sqrt(3)-sqrt(5) (d) sqrt(3)+\ sqrt(5)

If A(1,-1,2),B(2,1,-1)C(3,-1,2) are the vertices of a triangle then the area of triangle ABC is (A) sqrt(12) (B) sqrt(3) (C) sqrt(5) (D) sqrt(13)

The simplest rationalising factor of 2sqrt(5)-sqrt(3) is (a) 2sqrt(5)+\ 3 (b) 2sqrt(5)+sqrt(3) (c) sqrt(5)+sqrt(3)\ \ (d) sqrt(5)-sqrt(3)