MATHS MCQS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Equal sets
- Disjoint sets
- Equivalent sets
- None of these
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Explanation
Equal sets have exactly the same elements, regardless of order.
Since A = {a, b, c} and B = {b, c, a} contain the same elements, they are equal.
- Four
- Three
- Six
- None of these
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Explanation
A cube has six equal square faces, each with the same dimensions.
All six faces of a cube are identical squares, making it a regular polyhedron.
- 13
- 26
- 0
- None of these
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Explanation
Substitute x = 1 and y = -1 into the expression:
13(x + y) = 13(1 + (-1)) = 13(0).
Therefore, 13(0) = 0.
- 1
- 4
- 7
- None of these
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Explanation
To solve, subtract 3/7 from 10/7:
10/7 - 3/7 = 7/7 = 1.
Therefore, the missing value is 1.
- 50
- 70
- 60
- None of these
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Explanation
To find the marks obtained, multiply the fraction by the total marks:
Marks obtained = 3/5 × 100
= 3 × 20
= 60
- Additive identity
- Multiplicative identity
- Multiplicative inverse
- None of these
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Explanation
0 is called additive identity because a + 0 = a for any number 'a'.
It does not change the value of a number when added.
- 17
- 19
- 21
- None of these
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Explanation
To convert (10101)₂ to decimal: = 1×2⁴ + 0×2³ + 1×2² + 0×2¹ + 1×2⁰
= 16 + 0 + 4 + 0 + 1
= 21
حلقے بنانے کے لئے مندرجہ ذیل میں سے کون سا آلات استعمال کیا جاتا ہے؟
- Protractor
- Compass
- Steel ruler
- None of these
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Explanation
A compass is used for drawing circles and arcs.
It has a pointed end for the center and a pencil or pen for marking the circle.
- AB m x n
- AB p x n
- AB p x n
- None of these
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Explanation
For the multiplication of two matrices A (size m x p) and B (size p x n), the resulting matrix AB will have dimensions m x n.
The number of rows of A and the number of columns of B determine the dimensions of the product matrix.
- Rectangular
- Triangular
- Square
- Spherical
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Explanation
A cuboid is a 3D solid shape bounded by six rectangular faces.
Opposite faces of a cuboid are equal and each angle is a right angle.