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area-perimeter-volume-surface-area-l2 MCQ — 10 अभ्यास प्रश्न उत्तर सहित

10 area-perimeter-volume-surface-area-l2 बहुविकल्पीय प्रश्नों का अभ्यास करें, विस्तृत उत्तर और व्याख्या सहित। RAS/RPSC परीक्षा की तैयारी के लिए आदर्श।

10 प्रश्न mathematics-science-reet

Practice Questions

Q1. Assertion: A cylindrical bottle label that wraps only around the side uses curved surface area. Reason: The circular top and bottom are not covered by the label.

A Assertion true, Reason false
B Assertion false, Reason true
C Both true, but Reason does not explain Assertion
D Both true, and Reason explains Assertion Correct

Explanation

Karan should choose D. A label around the bottle is a side-wrap situation; total surface area would wrongly add the two circular bases that the label never covers.

Q2. For a parallelogram with base 12 cm, slant side 7 cm and perpendicular height 5 cm, which statements are correct? I. Area uses 12 × 5. II. Area uses 12 × 7. III. The height must be perpendicular to the base.

A I only
B II only
C I and III Correct
D I, II and III

Explanation

Devika should choose I and III. The slant side may be a side of the parallelogram, but area counts strips standing perpendicular to the base, so 12 × 5 is the meaningful product.

Q3. A cuboid tank is open at the top. Which faces are included when finding sheet needed to make it?

A Bottom and four side faces Correct
B All six faces
C Only four side faces
D Only top and bottom

Explanation

The correct answer is A. Imran must read the word open carefully: it removes only the top. The bottom and four side faces remain part of the required surface area.

Q4. Imran wants to put a rope around a rectangular garden. Which measurement is needed first?

A Area
B Perimeter Correct
C Volume
D Curved surface area

Explanation

The correct choice is perimeter. Imran is not covering the garden with grass or filling a tank; he is placing rope along the boundary, so the answer must be a linear unit.

Q5. Which unit is suitable for the volume of a cuboid made from small cubes?

A cm
B square cm
C metre only
D cubic cm Correct

Explanation

Asha should choose cubic centimetre. The word cuboid and the action of counting small cubes point to volume, and volume must be expressed in cubic units.

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Q6. Assertion: In a triangle area formula, the given height must be perpendicular to the chosen base. Reason: Area is measured in cubic units.

A Both Assertion and Reason are true
B Assertion true, Reason false
C Assertion false, Reason true
D Both Assertion and Reason are false
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Q7. Which option correctly pairs the phrase with the measurement?

A Paint all faces of a cube — surface area
B Fill a cuboid tank — perimeter
C Fence a field — volume
D Tile a rectangular floor — curved surface area
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Q8. In the REET Level 2 (Class 8) syllabus, surface area and volume are taught for which pair of solids?

A Cube and cuboid
B Cone and sphere
C Circle and sector
D Frustum and hemisphere
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Q9. Match the classroom object with the best concept: 1. Thread around notebook 2. Grid covering a card 3. Unit cubes in a box 4. Net of a cuboid

A 1-Area, 2-Perimeter, 3-Surface area, 4-Volume
B 1-Perimeter, 2-Area, 3-Volume, 4-Surface area
C 1-Volume, 2-Area, 3-Perimeter, 4-Surface area
D 1-Perimeter, 2-Volume, 3-Area, 4-Surface area
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Q10. A rectangle is 9 cm by 4 cm. Which statements are true? I. Its area is 36 square cm. II. Its perimeter is 26 cm. III. The same number 36 must also be its perimeter.

A I only
B II only
C I and II
D I, II and III

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Frequently Asked Questions

area-perimeter-volume-surface-area-l2 के कितने MCQ प्रश्न उपलब्ध हैं?
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क्या area-perimeter-volume-surface-area-l2 MCQ के लिए उत्तर और व्याख्याएँ दी गई हैं?
हाँ, area-perimeter-volume-surface-area-l2 के प्रत्येक प्रश्न के साथ सही उत्तर और विस्तृत व्याख्या दी गई है ताकि आप मूल अवधारणा को समझ सकें।
area-perimeter-volume-surface-area-l2 RAS/RPSC परीक्षा के लिए कैसे प्रासंगिक है?
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क्या मैं area-perimeter-volume-surface-area-l2 के प्रश्नों का हिंदी में अभ्यास कर सकता हूँ?
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