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Since, when the income of A is doubled and expenditure remained same Therefore, his extra saving will be his original income. Saving of B = 1.15 × 40000 – 20000 = Rs. 26,000
A wire is in the form of square with side 11 cm. It is bent to form a circle. What is the radius of the circle?
The area of a rectangular field is 24% of the area of a square field with a perimeter of 80 meters. If the rectangular field has a perimeter of 40 meter...
The inner radius of a cylindrical pipe is 7 cm. Water flows from this pipe at a speed of 5 km/h and falls into a rectangular tank 100 meters long and 44...
What is the difference between (in m2) the area of a circular field of radius 28 metres and area of a rectangular piece of land having its di...
The length of a rectangle, area of which is 105 cm2, is equal to the radius of a circle of area 1386 cm2. Find the perimeter of th...
A cone has a radius of 6 cm and a slant height of 10 cm. What is the approximately surface area of the cone?
A cylinder has a height of 21 meters and a radius of 7 meters. If a cone has the same radius and height as the cylinder, what is the difference in volum...
If the radius of a circle is given up to 15 times, how much of its perimeter will be the perimeter of the previous perimeter?
The surface area of a sphere is given as (12474/25) cm². Calculate the diameter of the sphere. (Use π = 22/7)
The height of a right circular cylinder is 12m and also three times the sum of the areas of its two end faces is equal to twice the area of its curved s...