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Area of the circular field = π × radius2 = (22/7) × 35 × 35 = 3850 m2 Area of the rectangular piece of land = length × breadth = 70 × 45 = 3150 m2 So, difference in area = 3850 – 3150 = 700 m2
In a mixture of 40 liters, the ratio of milk to water is 5:3. How much milk must be replaced by water so that the new ratio becomes 1:1?
A bag contains notes of Rs.10, Rs.20, and Rs.50 in the ratio of 1:3:5. If the total value of money in the bag is Rs.1920, find the number of Rs.20 notes.
If D and E are the mid points of AB and AC respectively of ∆ ABC, then the ratio of the areas of ADE and BCED is ?
If the ratio of income of Aman and Rahul is 5:4 and the ratio of their expenses is 3:2 and each saved Rs 1600 then find the income of Aman.
