Quantitative Aptitude Square Roots & Cube Roots 4

1. √50 x √98 is equal to :

65.95

70.25

70

63.75

2. 1 / (√9 - √8) - 1 / (√8 - √7) + 1 / (√7 - √6) - 1 / (√6 - √5) + 1 / (√5 - √4) is equal to :

0

5

1

1 / 3

3. The squqre root of (3 + √5) is :

(√3 / 2 + 1 / √2)

(√5 / 2 + √1 / 2)

(√3 / 2 - 1 / √2)

(√5 / 2 - 1 / √2)

4. (2√27 - √75 + √12) is equal to :

3√3

√3

4√3

2√3

5. If √2 = 1.4142, then √2 / (2 + √2) is equal to :

0.4142

0.2071

0.828

0.4713

6. If √6 = 2.449, then the value of 3√2 / 2√3 is :

1.2245

1.223

0.6122

0.8163

7. √8750 / √14 is equal to :

25

35

27.25

24.75

8. 1 / (√9 - √8) is equal to :

1 / 2(3 - 2√2)

(3 + 2√2)

1 / 2(3 + 2√2)

(3 - 2√2)

9. The square root of (7 + 2√10) is :

(√6 + 1)

(2 + √5)

(√3 + √4)

(√5 + √2)

10. The square root of (8 + 2√15) is :

(2√3 + 5√5)

2 + √6

(√5 + √3)

(√2 + √6)