Related InterviewSolutions

• If the circumference of a circle and the perimeter of a square are equal, thenA. Area of the circle = Area of the squareB. Area of the circle `gt` Area of the squareC. Area of the cirlce `lt` Area of the squareD. Nothing definite can be said about the between the areas of the circle and square
• The numerical value of the area of a circla is greater than the numerical value of its circumference. Is this statement true ? Why ?
• Find the radius of a circle whose circumference is equal to the sum of the circumference of two circles of radii 15 cm and 18 cm .
• If the sum of the areas of two circles with radii `R_(1)` and `R_(2)` is equal to the area of a circle of radius R, thenA. `R_(1) + R_(2) = R`B. `R_(1)^(2)+R_(2)^(2) = R^(2)`C. `R_(1) + R_(2) lt R`D. `R_(1)^(2) + R_(2)^(2) lt R^(2)`
• The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm isA. 56 cmB. 42 cmC. 28 cmD. 16 cm
• If the sum of the circumferences of two circles with radii `R_(1)` and `R_(2)` is equal to the circumference of a circle of radius R, thenA. `R_(1) + R_(2) = R`B. `R_(1) + R_(2) gt R`C. `R_(1) +R_(2) lt R`D. Nothing definite can be said about the relation among `R_(1), R_(2)` and R.
• If is proposed to build a single circular park equal in area to the sum of areas of two circular parks of diameters 16 m and 12 m in a locality. The radius of the new park would beA. 10 mB. 15 mC. 20 mD. 24 m
• Is it true that the distance travelled by a cirular wheel of diameter d cm in one revolution is `2pid` cm ? Why ?
• Find the number of revolutions made by a circular wheel of area `1.54m^(2)` in rolling a distance of 176 m.
• A piece of wire 20 cm long is bent into the from of an arc of a circle, subtending an angle of `60^(@)` at its centre. Find the radius of the circle.