alleryA cylinder has radius 7 cm and height 10 cm. Taking pi as 22/7, find its volume.
A770 cm3
B440 cm3
C3080 cm3
D1540 cm3
Answer & Solution
Correct answer: D. 1540 cm3
1. Volume = πr2h = (22/7) × 7 × 7 × 10.
2. = 22 × 7 × 10 = 1540 cm3.
3. 440 is the curved surface area, not the volume.
_Source: NCERT Class 8 Mathematics, Chapter 9 Mensuration, 9.5.3 Cylinder_
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