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Let the radius of right circular cone be 'R' cm. So, height of cone = '2R' cm Volume of a right circular cone = (1/3) X π X (radius) 2 X height So, (1/3) X π X R2 X 2R = 2,250π Or, R3 = 3,375 Or, 'R' = 15 cm Height of cone = 2 X 15 = 30 cm New radius of cone = (15/3) = 5 cm New height of cone = (30/2) = 15 cm So, required volume = (1/3) X π X 52 X 15 = 125π cm3
46.2 × 8.4 × 3 + ? = 1200
63- [22-{24 ÷ 3-(9-15 ÷ 5) ÷ 6}]=?
14 × 6 + 9 × 11 = (82 – 3) × ?
(12% of 1250 + 85% of 400) x 10 = ?2
∛21952 × 44 = ? × 14
`sqrt(5476)` + 40% of 1640 = ?`xx` 4 - 2020
654.056 + 28.9015 × 44.851 – 43.129 = ?
212 + 14 × 23 – 28 × 15 = ?
?3 - 25 × 11 = 30 - 15 × 12