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Let the radius of the cone be ‘r’ cm Therefore, (1/3) × (22/7) × r2 × 2.1 = 1267.2 Or, r2 = 1267.2 × (7/11) = 576 Or, r = 24 (since, radius cannot be negative) Therefore, radius of the cone = 24 cm
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‘A’ alone can complete a work in 50 hours. ‘A’ started the work alone and left after working on it for 20 hours. If ‘B’ completed the rest o...
A and B together can do a work in 8 days. If A can alone do the same work in 12 days, then in how many days B alone will do the same work?
