Arrange the following in the descending order 23 - 21 ) , ( 19 - 17 ) , ( 21 - 19 .

19 - 17 ) > ( 21 - 19 ) > ( 23 - 21

23 - 21 ) > ( 21 - 19 ) > ( 19 - 17

23 - 21 ) > ( 19 - 17 ) > ( 21 - 19

21 - 19 ) > ( 23 - 21 ) > ( 19 - 17

EASY

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What is the smallest value that must be added to $709$ , so that the resultant is a perfect square?

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Important Questions on Number Systems

MEDIUM

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The square root which of the following is a rational number?

MEDIUM

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The students of a class donated a sum of

₹ 2, 809

to a fund. Each student donated as many rupees as the number of students in the class. The number of students in the class is:

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The Square root of which of the following is a rational number?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The square root of

21 \frac{51}{169}

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

Find the square root of

1471369

MEDIUM

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The square root of which of the following is a rational number?

MEDIUM

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The smallest number that should be added to

8212

to obtain a perfect square is _____.

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

Consider the following numbers:

$1 . 2222 2 . 11664 3 . 343343 4 . 220347$

Which of the above are not perfect squares?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

What smallest number should be added to the sum of squares of

15

and

14

; so that the resulting number is a perfect square?

HARD

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

A positive number exceed its positive square root by

30

. Find the square of that number:

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The value of

\sqrt{10 + \sqrt{24 + \sqrt{131 + \sqrt{153 + \sqrt{256}}}}}

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

What is the least number that should be added to the product of

7 \times 8 \times 9 \times 10

to make it a perfect square?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

\frac{\sqrt{50} + \sqrt{98}}{\sqrt{18}} = ?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The square root of which of the following is a rational number?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

Which is the smallest perfect square number exactly divisible by

4, 5, 6

and

9

MEDIUM

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

Which one of the following is the smallest number by which 2880 must be divided in order to make it a perfect square ?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

What is the square root of

\frac{{(0.35)}^{2} + 0.70 + 1}{2.25} + 0.19 ?

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The sum of the squares of

3

natural numbers is

1029

, and they are in the proportion

1 : 2 : 4

. The difference between greatest number and smallest number is:

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

Arrange the following in the descending order $(\sqrt{23} - \sqrt{21}), (\sqrt{19} - \sqrt{17}), (\sqrt{21} - \sqrt{19})$ .

EASY

Numerical Ability>Arithmetic>Number Systems>Squares and Square Roots

The value of

\sqrt{40 + \sqrt{9 \sqrt{81}}}

is:

What is the smallest value that must be added to 709, so that the resultant is a perfect square?

Important Questions on Number Systems

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What is the smallest value that must be added to $709$ , so that the resultant is a perfect square?