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398 – 90 = 308 308 – 80 = 228 228 – 70 = 158 158 – 60 = 98 98 – 50 = 48
A rectangular garden is 20 m long and 15 m wide. If a path of width 2 m is built around the garden, what is the area of the path?
In a triangle ABC, the sides are AB = 15 cm, BC = 20 cm, and AC = 25 cm. Find the area of the triangle using Heron’s formula.
A container has a mixture of two liquids, A and B, in the ratio of 5:3. If 16 liters of the mixture are removed and replaced with 16 liters of liquid B,...
Find the area of the triangle formed by the points A(1, 2), B(4, 6), and C(5, 1).
Aman and Bhanu, working separately, can complete a task in 32 days and 40 days, respectively. They started working together, but ...
900 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 se...
159, 303, 499, 755, 1079, ?
From a point 30 m away from the base of a building, the angle of elevation to the top of the building is 60°. Find the height of the building.
What is the total number of work hours reported by employees in the Sales department?