### Square and Square Root Practice Test:

The largest of four digit numbers which is a perfect square is

(a) 9801

(b) 9904

(c) 9804

(d) 9809

Evaluate √6084 by factorization method .

(a) 78

(b) 76

(c) 82

(d) 64

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What is the square root of 8?

(a) 2.828

(b) 2.928

(c) 2.728

(d) 2.628

Find the square root of each of 291600 by the long division method:

(a) 520

(b) 620

(c) 580

(d) 540

What is the square root of 0.0009?

(a) 0.81

(b) 0.27

(c) 0.03

(d) 0.003

Find the 169 square root.

(a) 21

(b) 11

(c) 17

(d) 13

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Using the square root ability, find the value 6.328

(a) 2.512

(b) 2.518

(c) 2.517

(d) 2.514

What is the square root of 85?

(a) 9.519

(b) 9.419

(c) 9.319

(d) 9.219

Evaluate: √0.9 up to 3 places of decimal.

(a) 0.948

(b) 0.958

(c) 0.938

(d) 0.978

A general arranges his soldiers in a row to form a perfect square. He finds that in doing so, 60 soldiers are left out. If the total number of soldiers is 8160, find the number of soldiers in each row.

(a) 96 soldiers

(b) 92 soldiers

(c) 90 soldiers

(d) 99 soldiers

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What is the square root of 61?

(a) 7.910

(b) 7.810

(c) 7.710

(d) 7.610

The area of a square plot is 2304 m^{2}. Find the side of the square plot.

(a) 44 m

(b) 46 m

(c) 48 m

(d) 42 m

Find the square root of 1471369.

(a) 1123

(b) 1213

(c) 1323

(d) 1133

What is the square root of 5?

(a) 2.536

(b) 2.436

(c) 2.336

(d) 2.236

A school collected $2304 in fees from its students. If each student paid as much fee as there were students in the school, how many students were there in the school?

(a) 48

(b) 46

(c) 44

(d) 42

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What is the square root of 100 by prime factorization?

(a) 5

(b) 10

(c) 15

(d) 20

Find the smallest number by which 28812 must be divided so that the quotient becomes a perfect square.

(a) 9

(b) 7

(c) 6

(d) 3

Find the value of √3 up to three places of decimal.

(a) 1.369

(b) 1.123

(c) 1.634

(d) 1.732

Find the square root of 625 by prime factorization.

(a) 31

(b) 19

(c) 23

(d) 25

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What is the square root of 162?

(a) 12.727

(b) 12.827

(c) 12.927

(d) 12.627

A gardener plants an orchard with 5776 trees. In each row there were as many trees as the number of rows. Find the number of rows.

(a) 76

(b) 96

(c) 66

(d) 186

Find the value of √ 0.289 / 0.00121.

(a) 170 / 11

(b) 150 / 11

(c) 160 / 11

(d) 140 / 11

Find the square of 32:

(a) 864

(b) 954

(c) 1056

(d) 1024

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Find the square root of 729 by prime factorization?

(a) 27

(b) 29

(c) 31

(d) 33

What is the square root of 80 upto two decimal points?

(a) 8.94

(b) 8.84

(c) 8.74

(d) 8.64

Find the least square number which is exactly divisible by 10, 12, 15 and 18.

(a) 750

(b) 800

(c) 850

(d) 900

Find the greatest number of two digits, which is a perfect square.

(a) 64

(b) 100

(c) 99

(d) 81

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Find the greatest number of 5 digits, which is a perfect square.

(a) 99876

(b) 99866

(c) 99856

(d) 99846

What is the square root of 108

(a) 10.592

(b) 10.492

(c) 10.392

(d) 10.292

Find the greatest number of five digits, which is a perfect square.

(a) 99856.

(b) 99876

(c) 94766

(d) 99248

Some people contributed $1089. Each person gave as many rupees as they were in number. Find their number.

(a) 33

(b) 66

(c) 45

(d) 23

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Find the least number of 4 digits, which is a perfect square.

(a) 1054

(b) 1044

(c) 1034

(d) 1024

Find square root of 128.

(a) 11.313

(b) 11.413

(c) 11.513

(d) 11.613

Find the smallest number that must be added to 1780 to make it a perfect square.

(a) 79

(b) 69

(c) 89

(d) 49

There are 2401 students in a school. P.T. teacher wants them to stand in rows and columns such that the number of rows is equal to the number of columns. Find the number of rows.

(a) 33

(b) 64

(c) 49

(d) 51

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What is the square root of 361?

(a) 19

(b) 21

(c) 23

(d) 27

Find the square of 35

(a) 1265

(b) 1225

(c) 1355

(d) 1335

Find the cube root of 2744.

(a) 24

(b) 34

(c) 14

(d) 16

Find the least square number which is exactly divisible by each one of the numbers 15, 18 and 12.

(a) 1800

(b) 3600

(c) 2400

(d) 4200

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Find the square root of 41?

(a) 6.403

(b) 6.405

(c) 6.407

(d) 6.409

What is the square root of 28?

(a) 5.491

(b) 5.391

(c) 5.291

(d) 5.191

Without adding, find the sum (1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17).

(a) 81

(b) 79

(c) 77

(d) 75

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Find square root of 41

(a) 6.603

(b) 6.503

(c) 6.403

(d) 6.303

Find the least number of three digits, which is a perfect square.

(a) 222

(b) 128

(c) 100

(d) 102

What is the square root of 34 upto two decimal points?

(a) 5.53

(b) 5.63

(c) 5.73

(d) 5.83

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Find the square of 86

(a) 7856

(b) 7786

(c) 7396

(d) 7464

Find square root of 52?

(a) 7.211

(b) 7.311

(c) 7.411

(d) 7.511

Find the greatest number of 5 digits, which is a perfect square. 21.

(a) 99886

(b) 99876

(c) 99866

(d) 99856

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What is the square root of 29?

(a) 5.585

(b) 5.485

(c) 5.385

(d) 5.285

Find the least number of six digits, which is a perfect square.

(a) 100499

(b) 100489

(c) 100479

(d) 100469

Square root of 21 ?

(a) 1.532

(b) 1.632

(c) 1.732

(d) 1.832

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The area of a square playground in 256.6404 square metres. Find the length of one side of the playground.

(a) 16.02 metres

(b) 17.02 metres

(c) 18.02 metres

(d) 19.02 metres

What is the square root of 14?

(a) 3.441

(b) 3.541

(c) 3.641

(d) 3.741

Which of the following numbers are squares of even numbers?

(a) 324

(b) 6561

(c) 4489

(d) 373758

Ans: (a)

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What will be the square root of 26?

(a) 5.099

(b) 5.199

(c) 5.299

(d) 5.399

Express the following as the sum of two consecutive integers: 19^{2}

(a) 180 + 181

(b) 60 + 61

(c) 84 + 85

(d) 220 + 221

Find the least must be added to 7900 to obtain a perfect square.

(a) 67

(b) 87

(c) 97

(d) 77

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Square root of negative 1?

(a) i

(b) 1

(c) 0

(d) -1

Find the square root of 7 correct upto two decimal places.

(a) 2.65

(b) 2.75

(c) 2.85

(d) 2.95

Find the square root of 60?

(a) 7.945

(b) 7.845

(c) 7.745

(d) 7.645

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A welfare association collected $202500 as a donation from the residents. If each paid as many rupees as there were residents, find the number of residents.

(a) 480

(b) 470

(c) 460

(d) 450

Find the square root 2.

(a) 1.314

(b) 1.414

(c) 1.514

(d) 1.614

Find the square roots of 9216 by the Prime factorisation method.

(a) 96

(b) 106

(c) 116

(d) 126

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Find square root of 324.

(a) 18

(b) 16

(c) 14

(d) 22

What is the square root of 96?

(a) 9.99

(b) 9.89

(c) 9.79

(d) 9.69

Find the smallest number by which 180 must be multiplied so that it becomes a perfect square. Also find the square root of the perfect square so obtained.

(a) 50

(b) 40

(c) 30

(d) 20

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Square root of 35?

(a) 5.916

(b) 5.816

(c) 5.716

(d) 5.616

Find square root of 89.

(a) 9.333

(b) 9.433

(c) 9.533

(d) 9.633

Find the smallest number by which 396 must be multiplied so that the product becomes a perfect square.

(a) 13

(b) 19

(c) 16

(d) 11

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What is the square root of 64 by prime factorization?

(a) 9.4

(b) 8

(c) 8.4

(d) 9.4

Find the square root of 98.

(a) 9.899

(b) 9.799

(c) 9.699

(d) 9.599

A PT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of columns. Find the number of rows if 71 were left out after arrangement.

(a) 77 rows

(b) 73 rows

(c) 71 rows

(d) 69 rows

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Find square root of 1000 by prime factorization.

(a) 100

(b) 25

(c) 31.622

(d) 36.422

Find the square root of 58 upto three decimal points?

(a) 7.615

(b) 7.715

(c) 7.815

(d) 7.915

Find the square roots of 169 by the method of repeated subtraction.

(a) 13

(b) 17

(c) 19

(d) 21

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225 square root?

(a) 13

(b) 17

(c) 15

(d) 19

What square root of 37 upto two decimal points?

(a) 6.08

(b) 6.18

(c) 6.19

(d) 6.09

Find square root of 3 up to three decimal places.

(a) 1.739

(b) 1.832

(c) 1.933

(d) 1.732

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What is the square root of 81?

(a) 13

(b) 11

(c) 7

(d) 9

Find the square root of 180.

(a) 13.416

(b) 14.416

(c) 15.416

(d) 16.416

What is the square root of 68?

(a) 8.546

(b) 8.446

(c) 8.346

(d) 8.246

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Find the square root of 576.

(a) 24

(b) 25

(c) 26

(d) 27