Powers & Roots Square Cube Indices Surds Squaring Test

Result

Powers & Roots Square Cube Indices Surds Squaring Test - 1

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Weekly Quiz Competition

Question 1
1 / -0.25

The largest number of five digits which is a perfect square, is :

A
99999

B
99764

C
99976

D
99856

E
None of these

Solution
Question 2
1 / -0.25

The value of up to three places of decimals is

A
1.410

B
1.412

C
1.413

D
1.414

E
None of These

Solution
Question 3
1 / -0.25

A
6+√35

B
6-√35

C
2

D
1

E
None of These

Solution
Question 4
1 / -0.25

The least number by which 294 must be multiplied to make it a perfect square, is:

A
2

B
3

C
6

D
5

E
None of these

Solution

294 = 7 x 7 x 2 x 3. To make it a perfect square it must be multiplied by 2 x 3, i.e., 6.
Question 5
1 / -0.25

The least number to be added to 269 to make it a perfect square, is:

A
31

B
16

C
7

D
20

E
None of these

Solution
Question 6
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What is the smallest number by which 3600 be divided to make it a perfect cube?

A
9

B
50

C
300

D
450

E
None of these

Solution

3600 = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5.

To make it a perfect cube, we must divide it by 2 x 5 x 5 x 3 x 3 = 450
Question 7
1 / -0.25

The smallest number of 4 digits, which is a perfect square is :

A
1000

B
1016

C
1024

D
1036

E
None of these

Solution
Question 8
1 / -0.25

A
46.95

B
43.75

C
50.25

D
50

E
None of these

Solution
Question 9
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√? / 200 = 0.02

A
0.4

B
4

C
16

D
1.6

E
None of these

Solution
Question 10
1 / -0.25

√.04 = ?

A
.02

B
.2

C
.002

D
1.2

E
None of these

Solution