Squares and Square Roots Test

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Squares and Square Roots Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Without adding, find the sum. 1 + 3 + 5 + 7 + 9

A
9

B
25

C
36

D
16

Solution

Explanation:

Option 1 is correct as there are 5 consecutive odd numbers so 5² is 25
Question 2
1 / -0

Numbers like 1, 4, 9, 16, 25 ... are known as ___________.

A
cube numbers

B
square numbers

C
none of these

D
negative numbers

Solution

Explanation:

The answer is square numbers as the given numbers are 1²,2²,3²,4²,5²...
Question 3
1 / -0

The squares of which of the following would be odd numbers?

A
82004

B
434

C
2826

D
7779

Solution

Explanation:

Option 1 is correct as the unit's place is 9 which is an odd number
Question 4
1 / -0

Which of the following would end with digit 1?

A
161²

B
123²

C
82²

D
77²

Solution

Explanation:

Option 1 is correct as 161 has unit's digit 1 and 1²= 1
Question 5
1 / -0

When a square number ends in _______, the number whose square it is, will have either 4 or 6 in unit’s place.

A
0

B
2

C
3

D
6

Solution

Explanation:

Option 1 is correct as when we square a number ending with 4 and 6 we get 6 as unit's place as 4²=16 and 6²=36
Question 6
1 / -0

Square numbers can only have _________ number of zeros at the end.

A
even

B
none of these

C
odd

D
composite

Solution

Explanation:

Option 1 is correct because when we square any number of zeroes it gives even number of zeroes
Question 7
1 / -0

Which of the following is a perfect square number?

A
2601

B
1057

C
222222

D
23453

Solution

Explanation:

The answer is 2601 because the unit's digit is 1 and in other options the units digit is 3, 2 and 7 and a perfect square does not end with the digits 2,3,7,8.
Question 8
1 / -0

Without doing any calculation, find the numbers which are surely perfect squares.

A
408

B
153

C
441

D
257

Solution

Explanation:

Option 1 is correct as the unit's place is 1
Question 9
1 / -0

All square numbers end with __________ at unit’s place.

A
0, 1, 4, 5, 6 or 9

B
9

C
0

D
1
Question 10
1 / -0

Find the perfect square numbers between 30 and 40.

A
49

B
25

C
none of these

D
36

Solution

Explanation:

Option 1 is correct as 36 lies between 30 and 40. 36 is square of 6.

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Re-Attempt Weekly Quiz Competition

Squares and Square Roots Test - 1

Result

Squares and Square Roots Test - 1

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Rank

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SHARING IS CARING

Question 1

9

25

36

16

Solution

Question 2

cube numbers

square numbers

none of these

negative numbers

Solution

Question 3

82004

434

2826

7779

Solution

Question 4

1612

1232

822

772

Solution

Question 5

0

2

3

6

Solution

Question 6

even

none of these

odd

composite

Solution

Question 7

2601

1057

222222

23453

Solution

Question 8

408

153

441

257

Solution

Question 9

0, 1, 4, 5, 6 or 9

9

0

1

Question 10

49

25

none of these

36

Solution

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161²

123²

82²

77²