alleryπ = 22/7 का प्रयोग करते हुए, 7 cm त्रिज्या और 10 cm ऊँचाई वाले एक बेलन का आयतन ज्ञात कीजिए।
A1540 cu cm
B1100 cu cm
C1760 cu cm
D3080 cu cm
Answer & Solution
Correct answer: A. 1540 cu cm
आयतन = πr²h = (22/7) × 49 × 10 = 1540 cu cm.
Keep practising Geometry and Trigonometry
Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Trigonometric RatiosRRB NTPC · Triangle CentersRRB NTPC · Classify Angle TypesRRB NTPC · Match Trigonometric ValuesWhich line segment connects two points on a circle and divides it into two segments?When does the sum of two side lengths equal the third side?What total measure in degrees do the two non-right angles of a right triangle add up to?What geometric shape is the planar region bounded by two concentric circles?