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The upper element moves 180 degree its head inverted and the lower one vertically inverted.
Area of sector of a circle whose radius is 21 cm, is 327.25 cm 2 . Find the angle subtend by arc at the center of circle. (Use π = 22/7)
A sphere has a radius that is one-third of the radius of a circle whose circumference is 216 cm. Calculate the volume of the sphere. (Use π = 3)
Ashish and Sushil together start a business with investment of Rs. 1700 and Rs. ‘x + 1100’, respectively. If the profit earned after 5 years...
If the sum of the radius and height of a right circular cylinder is equal to three times the radius, what is the height of the cylinder in terms of the...
The area of a square field is 4050 sq m. How long in seconds will a lady take to cross the field diagonally at the rate of 4.5 km/hr?
A sphere of radius 21 cm is melted and recast into 66 smaller spheres of equal size. Find the radius of each smaller sphere(approximately).
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...
The perimeter of a rectangle is 64 meters, and the ratio of its length to its breadth is 9:7. What is the area of the rectangle?
Find the approximate volume of a right circular cone having diameter 14 cm and height 3cm.(Take pie = 3.14.)
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 132˚ , then the measure of angle P is:
