## Lakshya Education MCQs

Question: $$\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}$$
Options:
 A. 5 B. 8 C. 16 D. None of these

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## More Questions on This Topic :

Question 1. The square root of $$\left( {{{272}^2} - {{128}^2}} \right)$$   is = ?
1.    144
2.    200
3.    240
4.    256
Question 2. $${\left[ {{{\left( {\sqrt {81} } \right)}^2}} \right]^2} = {\left( ? \right)^2}$$
1.    8
2.    9
3.    4096
4.    6561
5.    None of these
Question 3. If $$y = 5{\text{,}}$$   then what is the value of $$10y\sqrt {{y^3} - {y^2}}$$   = ?
1.    $$50\sqrt 2$$
2.    100
3.    $$200\sqrt 5$$
4.    500
Question 4. $$\sqrt {11881} \times \sqrt ? = 10137$$
1.    8281
2.    8649
3.    9216
4.    9409
5.    None of these
Question 5. In the equation $$\frac{{4050}}{{\sqrt x }} = 450{\text{,}}$$   the value of x is = ?
1.    9
2.    49
3.    81
4.    100
Question 6. $$\sqrt ? \times \sqrt {484} = 1034$$