Find the diagonal of a square whose side is of 10 m .

Diagonal of square = a√2 = 10√2 m

- A Solid Cone of height 18cm diameter of its base 36cm is cut from a wooden Solid sphere of radius 18cm. the percentage of wood wasted is ?
- The length of a rectangle is four times its breadth. If its length is increased by 20 cm and breadth is increased by 20 cm, the area of the rectangle is increased by 900 cm
^{2}. Find the length of the rectangle. - A village having a population of 8000 requires 200 litres of water per head per day. It has a tank measuring 40 m `xx` 30 m `xx` 12 m. The water of this tank will last for
- The circumference of a circle is equal to the perimeter of a rectangle whose length and breadth are in ratio 9:7, respectively. If the area of the rectangle is 7623 cm
^{2}, then find the radius of the circle. - A sum of Rs. 15979 was divided between Wasim and Simran in such a way that if both invested their shares at 5 percent compound interest per annum. the amount payable on maturity to Simran after 16 years would be the same as the amount payable on maturity to Wasim after 18 years. What was the share of Simran in the initial sum availabl?
- A cone is parallel to its base in such a way that the volume of the smaller cone is 1/2197 times of the bigger cone. Find the height of the smaller cone, if the cone is cut 96 cm above the base?
- A wooden cylinder of base radius 14 cm is cut to make a cone of same height and same base radius. Find out the percentage of waste wood?
- Perimeter of a square is equal to perimeter of a rectangle, if area of square is 900 sq.cm and length of rectangle is four times that of breath. Find the area of rectangle.
- The perimeter of a square field is 16 cm more than the perimeter of a rectangle. The length of the rectangle is 24 cm which is 150% of its width. If a street of width 10 cm surrounds from outside the square, then find the total cost of constructing the street at the rate of Rs. 25 per sq. cm?
- The perimeter of an equilateral triangle is 36√3 cm. Find its height.

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