गणित – Mathematics MCQ
गणित – डिप्लोमा प्रवेश
Mathematics · CTEVT Diploma Engineering Entrance · ७५१ प्रश्न
७५१ प्रश्न उपलब्ध। मोड छान्नुहोस्:
गणित: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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The diagonals of a parallelogram:
सही उत्तर: ख) Bisect each other
In every parallelogram, the diagonals bisect each other. They are equal only in rectangles and perpendicular only in rhombuses and squares.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is NOT a valid condition for congruency of triangles?
सही उत्तर: ग) A.A.A.
If all three angles are equal, the triangles are similar but may differ in size, so A.A.A. does not prove congruency. S.S.S., S.A.S., A.S.A. and R.H.S. are valid conditions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A triangle whose three sides are all different in length is called:
सही उत्तर: घ) Scalene triangle
A scalene triangle has all sides (and all angles) different. An isosceles triangle has at least two equal sides.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following sets is a Pythagorean triple?
सही उत्तर: घ) 5, 12, 13
5² + 12² = 25 + 144 = 169 = 13², so they satisfy Pythagoras' theorem. The other sets do not, e.g. 6² + 8² = 100, not 121.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a right-angled triangle, Pythagoras' theorem states that:
सही उत्तर: क) Hypotenuse² = Base² + Perpendicular²
The square of the hypotenuse (the side opposite the right angle) equals the sum of the squares of the other two sides. The hypotenuse is always the longest side.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Each interior angle of a regular hexagon measures:
सही उत्तर: ख) 120°
Angle sum = (6 − 2) × 180° = 720°, and 720° ÷ 6 = 120°. 108° is the interior angle of a regular pentagon.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The sum of the interior angles of a polygon with n sides is:
सही उत्तर: ग) (n − 2) × 180°
A polygon with n sides can be divided into (n − 2) triangles, each with an angle sum of 180°. The exterior angles of any convex polygon always add up to 360°.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An exterior angle of a triangle is equal to:
सही उत्तर: ग) The sum of the two interior opposite angles
By the exterior angle theorem, an exterior angle equals the sum of the two opposite interior angles. Together with the adjacent interior angle it makes 180°.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The sum of the interior angles of a triangle is:
सही उत्तर: घ) 180°
The three angles of any triangle add up to 180°. The angles of a quadrilateral add up to 360°.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Numbers whose HCF is 1 are called:
सही उत्तर: क) Co-prime numbers
Co-prime numbers have only 1 as a common factor, e.g. 8 and 15. Neither number has to be prime itself.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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