MCQ 11 Mark
Which of the following cannot be a perfect square?
- A841
- B529
- ✓198
- DAll of these
Answer
View full question & answer→Correct option: C.
198
C
Questions
M.C.Q. [1 Marks Each]
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Test yourself on this topic
20 questions · timed · auto-graded
MCQ 21 Mark
Which of the following is a square of an even number?
- ✓144
- B169
- C441
- D625
Answer
View full question & answer→Correct option: A.
144
A
MCQ 31 Mark
196 is the square of
- A11
- B12
- ✓14
- D16
Answer
View full question & answer→Correct option: C.
14
C
MCQ 41 Mark
The least number which must be subtracted from the number 1988, so as to get a perfect square is
- A41
- B42
- ✓52
- D54
Answer
View full question & answer→Correct option: C.
52
C
MCQ 51 Mark
Which of the following symmetric arrangement cannot be used to represent a squared number?
- A
- B
- ✓
- D
Answer
View full question & answer→Correct option: C.
C
MCQ 61 Mark
The hypotenuse of a right angled triangle with its base and perpendicular of lengths 3x, 4x respectively, is
- A25x
- B7x
- ✓5x
- D16x
Answer
View full question & answer→Correct option: C.
5x
C
MCQ 71 Mark
The length of the side of a square whose area is 784 m2 is
- A22 m
- B32 m
- ✓28 m
- D18 m
Answer
View full question & answer→Correct option: C.
28 m
(C) 28 m
Let the side of the square be $\text{xm}$.
$\because$ Area of square $=(\text { Side })^2$
$\begin{array}{l}\Rightarrow 784=x^2 \\\Rightarrow x=\sqrt{784} \\=\sqrt{2 \times 2 \times 2 \times 2 \times 7 \times 7} \\=28\text{ m}\end{array}$
Let the side of the square be $\text{xm}$.
$\because$ Area of square $=(\text { Side })^2$
$\begin{array}{l}\Rightarrow 784=x^2 \\\Rightarrow x=\sqrt{784} \\=\sqrt{2 \times 2 \times 2 \times 2 \times 7 \times 7} \\=28\text{ m}\end{array}$
MCQ 81 Mark
Sum of the square root of the decimal number 7.29 and 2.56 is
- A3.4
- ✓4.3
- C5.2
- D3.13
Answer
View full question & answer→Correct option: B.
4.3
B
MCQ 91 Mark
The least number which must be added to number 1751, so as to get a perfect square number is
- A9
- B14
- ✓13
- D15
Answer
View full question & answer→Correct option: C.
13
(C) 13
Given number is 1751.
We observe that $41^2<175<42^2$
The required least number to be added
$=42^2-1751=1764-1751=13$
Given number is 1751.
We observe that $41^2<175<42^2$
The required least number to be added
$=42^2-1751=1764-1751=13$
MCQ 101 Mark
If square root of 289 is 10 + x, then x is
- A3
- B13
- ✓7
- D17
Answer
View full question & answer→Correct option: C.
7
C
MCQ 111 Mark
Sum of the square root of 2304 and 3481 is
- ✓107
- B102
- C109
- D201
Answer
View full question & answer→Correct option: A.
107
A
MCQ 121 Mark
For the number 2268, the smallest whole number by which it should be divided, so as to get a perfect square is
- A2
- B3
- C6
- ✓7
Answer
View full question & answer→Correct option: D.
7
(D) 7
Given number is 2268. using prime factorisation, we get
$2268=2 \times 2 \times 3 \times 3 \times 3 \times 3 \times 7$
Here, prime factor 7 is unpaired. It is clear that in order to get a perfect square, the given number is divided by 7.
Given number is 2268. using prime factorisation, we get
$2268=2 \times 2 \times 3 \times 3 \times 3 \times 3 \times 7$
Here, prime factor 7 is unpaired. It is clear that in order to get a perfect square, the given number is divided by 7.
MCQ 131 Mark
The smallest square number that is divisible by each of the numbers 2, 3 and 8 is
- A64
- B144
- C1296
- D576
MCQ 141 Mark
Which of the following is not a unit digit of a square number?
- A$0$
- B4
- C6
- ✓8
Answer
View full question & answer→Correct option: D.
8
D
MCQ 151 Mark
A perfect square number having m digits, where m is even will have square root with
- ✓$\frac{\text{m}}{2}$ digits
- B$\frac{\text{m}+1}{2}$ digits
- C$\text{m}+1$ digits
- D$\frac{\text{m}}{3}$ digits
Answer
View full question & answer→Correct option: A.
$\frac{\text{m}}{2}$ digits
A
MCQ 161 Mark
If $\sqrt{4096}=64$, then the value of $\sqrt{4096}+\sqrt{40.96}$ is
- ✓70.4
- B64.4
- C60.4
- D68.4
Answer
View full question & answer→Correct option: A.
70.4
A
MCQ 171 Mark
If one member of a Pythagorean triplet is 2m, then other two members are
- A$\text{m}, \text{m}^2+1$
- ✓$\text{m}^2+1, \text{m}^2-1$
- C$\text{m}^2, \text{m}^2-1$
- D$\text{m}^2, \text{m}+1$
Answer
View full question & answer→Correct option: B.
$\text{m}^2+1, \text{m}^2-1$
B
MCQ 181 Mark
Which letter best represents the location of $\sqrt{25}$ on a number line?
- AA
- BB
- ✓C
- DD
Answer
View full question & answer→Correct option: C.
C
C
MCQ 191 Mark
A square board has an area of 121 sq units. How long is each side of the board?
- ✓11 units
- B12 units
- C13 units
- D14 units
Answer
View full question & answer→Correct option: A.
11 units
A
MCQ 201 Mark
A number ending in 9 will have the unit place of its square as
- ✓1
- B3
- C9
- D6
Answer
View full question & answer→Correct option: A.
1
A