<p>Let B invested Rs. x.</p> <p>Therefore, the ratio of their investment = (12 × 6600) : (x × 3)</p> <p>According to the question,</p> <p>=> (12 × 6600)/(x × 3) = 4/5</p> <p>=> x = Rs. 11000</p>
If the area of a square field is 361 m2, then find the diagonal of the square field.
A sphere has a volume of 121.5π cm3. Find its radius.
Point (4, 5) is the centre of a circle. A point (9, 11) is lying on a circle. Find the area of the circle.
A cube of maximum possible volume is cut from a sphere of radius 5√3 cm. What is the ratio of the volume of a cube to that of the sphere?