Q.1
Three-fifth of the square of a certain number is 126.15. What is the numbers ?
Q.2
If $$\frac{{52}}{x} = \sqrt {\frac{{169}}{{289}}} {\text{,}}$$   the value of x is = ?
Q.3
If $$\sqrt {x + \frac{x}{y}} = x\sqrt {\frac{x}{y}} {\text{,}}$$     where x and y are positive real numbers, then y is equal to ?
Q.4
$${\left( {\sqrt 3 - \frac{1}{{\sqrt 3 }}} \right)^2}$$   simplifies to ?
Q.5
$$\sqrt {110.25} \times \sqrt {0.01} \, \div $$    $$\sqrt {0.0025} $$   $$ - $$ $$\sqrt {420.25} $$  equals ?
Q.6
If $$\sqrt {1 + \frac{x}{{169}}} {\text{ = }}\frac{{14}}{{13}}{\text{,}}$$    then x is equal to ?
Q.7
The value of $$\sqrt {0.000441} $$   is = ?
Q.8
$${1.5^2} \times \sqrt {0.0225} = ?$$
Q.9
The value of $$\sqrt {0.01} {\text{ + }}$$ $$\sqrt {0.81} {\text{ + }}$$ $$\sqrt {1.21} {\text{ + }}$$ $$\sqrt {0.0009} $$   is = ?
Q.10
The number of perfect square numbers between 50 and 1000 is = ?
Q.11
A man born in the first half of the nineteenth century was x years old in the year x2. He was born in ?
Q.12
The digit in the unit's place in the square root of 15876 is = ?
Q.13
Which of the following is closest to $$\sqrt 3 = \,?$$
Q.14
$$\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}$$
Q.15
For what value of * the statement $$\left( {\frac{*}{{15}}} \right)$$ $$\left( {\frac{*}{{135}}} \right)$$  = 1 is true ?
Q.16
Which number should replace both the question marks in the following equation ?
$$\frac{?}{{1776}} = \frac{{111}}{?}$$
Q.17
Which number can replace both the question marks in the equation ?
$$\frac{{4\frac{1}{2}}}{?} = \frac{?}{{32}}$$
Q.18
The number $${\text{2}}{{\text{5}}^{64}} \times {64^{25}}$$   is the square of a natural number n. The sum of the digits of n is = ?
Q.19
If $$0.13 \div {p^2} = 13{\text{,}}$$   then p equals = ?
Q.20
If $$\sqrt {{3^n}} = 729$$  , then the value of n is ?
Q.21
If $$a = 0.1039{\text{,}}$$   then the value of $$\sqrt {4{a^2} - 4a + 1} $$    $$ + $$ $$3a$$  is ?
Q.22
$$\sqrt {176 + \sqrt {2401} } $$    is equal to = ?
Q.23
$${\left( {15} \right)^2} + {\left( {18} \right)^2} - 20 = \sqrt ? $$
Q.24
The square root of 41209 is equal to = ?
Q.25
The number of digits in the square root of 625685746009 is = ?
Q.26
$$\sqrt {1.5625} = ?$$
Q.27
If a = 0.1039, then the value of $$\sqrt {4{a^2} - 4a + 1} + 3a$$     is:
Q.28
Given that $$\sqrt {13} = 3.605$$   and $$\sqrt {130} = 11.40{\text{,}}$$   find the value of $$\sqrt {1.30} $$  $$ + $$ $$\sqrt {1300} $$  $$ + $$ $$\sqrt {0.0130} $$   = ?
Q.29
R is a positive number. It is multiplied by 8 and then squared. The square is now divided by 4 and the square root is taken. The result of the square root is Q. What is the value of Q ?
Q.30
The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?
0 h : 0 m : 1 s