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P invested her capital for 12 months, Q for 7 months and R for 4 months. So, ratio of their capitals = (10000 × 12):(20000 × 7):(25000 × 4) ⇒ 120000 : 140000 : 100000 ⇒ 6 : 7 : 5 Therefore, R’s share = 7200 x (5/18) = Rs.2000
In a triangle ABC, D, E and F are the mid-points of the sides BD, CA and AB, respectively. BE and DF intersect at X. DE and CF intersect at Y. Find XY = ?
Calculate the area of the square whose perimeter is equal to the perimeter of a rectangle which has length 22 cm & breadth 14 cm .
A frustum of a cone has a lower base radius of 12 cm, an upper base radius of 8 cm, and a height of 15 cm. Find the total surface area of the frustum.
The perimeters of two similar triangles, ∆ PQR and ∆ XYZ are 48 cm and 24 cm respectively. If XY = 12 cm. then PQ is:
If the length of one side of a rhombus is 16cm then find its surface area. (use √ 3 = 1.732)
The perimeter of a rhombus is 60 m and its height is 5 m. Its area is:
