Get Started with ixamBee
Start learning 50% faster. Sign in now
Let total amount of work be 60 units Efficiency of ‘A’ = 60/12 = 5 units/day Efficiency of ‘B’ = 60/15 = 4 units/day Amount of work done by ‘A’ and ‘B’ together in 2 days = (5 + 4) × 2 = 18 units Time taken by B to complete remaining work = (60 – 18)/4 = 10.5 days
The ratio of the radii of the bases of a cylinder and a cone is 2:3, while the ratio of their heights is 3:5. What is the ratio of the volume of the cyl...
The difference between the interior and exterior angles of a vertex of a regular polygon is 140°. The number of sides of the polygon is