31. The greatest of $$\sqrt 2 ,$$ $$\root 6 \of 3 ,$$ $$\root 3 \of 4 ,$$ $$\root 4 \of 5 $$ is = ?
32. Which of the following statement(s) is/are TRUE?
$$\eqalign{
& {\text{I}}.\sqrt {121} + \sqrt {12321} + \sqrt {1234321} = 1233 \cr
& {\text{II}}.\sqrt {0.64} + \sqrt {64} + \sqrt {36} + \sqrt {0.36} > 15 \cr} $$
$$\eqalign{ & {\text{I}}.\sqrt {121} + \sqrt {12321} + \sqrt {1234321} = 1233 \cr & {\text{II}}.\sqrt {0.64} + \sqrt {64} + \sqrt {36} + \sqrt {0.36} > 15 \cr} $$
33. What is the value of $$\sqrt {121} + \sqrt {12321} + \sqrt {1234321} + \sqrt {123454321} ?$$
34. The expression $$\sqrt {10 + 2\left( {\sqrt 6 - \sqrt {15} - \sqrt {10} } \right)} $$ is equal to:
35. Which value among 3200, 2300 and 7100 is the largest?
36. If √5 = 2.236, then what is the value of $$\frac{{\sqrt 5 }}{2} + \frac{5}{{3\sqrt 5 }} - \sqrt {45} ?$$
37. If $${\text{A}} = \frac{1}{{0.4}} + \frac{1}{{0.04}} + \frac{1}{{0.004}} + ....{\text{ upto 8 terms,}}$$ then what is the value of A?
38. The value of $$\sqrt {28 + 10\sqrt 3 } - \sqrt {7 - 4\sqrt 3 } $$ is closest to:
39. Let x = $$\root 6 \of {27} - \sqrt {6\frac{3}{4}} $$ and y = $$\frac{{\sqrt {45} + \sqrt {605} + \sqrt {245} }}{{\sqrt {80} + \sqrt {125} }},$$ then the value of x2 + y2 is:
40. If 847 × 385 × 675 × 3025 = 3a × 5b × 7c × 11d then the value of ab - cd is
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