Question
In 2023, which country became the first to legally
accept Bitcoin as legal tender alongside the US Dollar?Solution
El Salvador became the first country in the world to adopt Bitcoin as a legal tender alongside the US Dollar in 2023, aiming to foster financial inclusion and stimulate its economy.
The ratio of the radii of two right circular cylinders (A and B) is 3 : 4.The ratio of the heights of cylinders A to B is 5 : 1. What is the ratio of th...
A solid right circular cylinder of radius 5 cm and height 20 cm is melted and recast into solid spheres of radius 2.5 cm. How many such spheres can be m...
The volume and height of a cylinder are 4400 cm3 and 14 cm. Find the radius of the cylinder.
A solid cylinder has the total surface area 231 sq.cm. If its curved surface area is of the total surface area, then the volume of the cylinder is
A race track is in the shape of a rectangle with length of 25 metres and area of 4500 m2. A car takes 10 seconds to make one lap around the p...
A race track is in the shape of a rectangle with length of 30 metres and area of 4500 m2. A car takes 20 seconds to make one lap around the p...
The average of the areas of 2 similar triangles is 706.5 m2 whose perimeters are in the ratio of 6: 11. What is 25% of the difference (in m
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hour...
A rectangular piece of land has a perimeter of 22 metres and length of 5 metres. If the area of the land is to be divided into 6 equal portions, then wh...
The total surface area of a cylinder is 2,200 cm². If its radius is 7 cm and height is expressed as (k + 13), then find the value of ‘k²’. (Use π...
