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Start learning 50% faster. Sign in nowLet the radius of the cone be ‘r’ cm Therefore, (1/3) × (22/7) × r2 × 1.4 = 1320 Or, r2 = 1320 × (7/11) = 900 Or, r = 30 (since, radius cannot be negative) Therefore, radius of the cone = 30 cm
A bag contains 3 Green and 9 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
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The probability of selecting a rotten apple randomly from a heap of 150 apples is 0.28. What is the number of rotten apples in the heap?
If two socks are chosen at random, what is the probability that either all are green or all are black socks?
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the nu...
In a deck of 52 cards, what is the probability of drawing either a king or a heart?
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A bag contains x red, (x+4) blue, and (x+8) green balls. If the probability of getting a blue ball is 1/8 more than that of getting a red ball, then fin...
