exam Maths Puzzle

there are two circles of different radii. the area of a square is 441 sqm. whose side is half the radius of the larger circle. the radius of the smaller circle is one-sixth of that of the larger circle. what is the area of the smaller circle?

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exam Other Question
In six hours sita can make 4 more baskets than what geeta can in 4 hours . if each worked at the rate that the other did, geeta can make 2 baskets less than sita in 2 hours. find the number of baskets that sita can make in an hour. A circular ground has area equal to 2464 m. Inside the ground there is a small circle whose radius is half of the radius of the outer circle. find the remaining area of the ground