Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
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A cube has six square faces, each of area 25 cm².
Thus, total area is 6 × 25 = 150 cm².
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Cube volume is side cubed.
Thus, 4³ = 64 cm³.
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Sector area is angle/360 × πr².
Thus, 60/360 × 36π = 6π cm².
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A 90° arc is one quarter of the circumference.
The circumference is 88 cm, so the arc is 22 cm.
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Circle area is πr².
Thus, 22/7 × 49 = 154 cm².
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Circumference is 2πr.
Thus, 2 × 22/7 × 7 = 44 cm.
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Area is one-half × sum of parallel sides × height.
Thus, 1/2 × 22 × 5 = 55 cm².
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Parallelogram area is base times perpendicular height.
Thus, 15 × 8 = 120 cm².
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Triangle area is one-half × base × height.
Thus, 1/2 × 10 × 6 = 30 cm².
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The side length is √144 = 12 cm.
The perimeter is 4 × 12 = 48 cm.
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Square area is side squared.
Thus, 9² = 81 cm².
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Rectangle area is length multiplied by width.
Thus, 12 × 7 = 84 m².
