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Let maximum marks = 100x ∴ 30x + 90 = 36x + 72 => 6x = 18 => x = 3 ∴ Max marks = 100x = 300 ∴ Minimum percentage marks to be pass = {[(30×3) + 90]/300} × 100 = 60%
The area of a square is 3,600 cm². Find the area of a circle whose radius is (2/3)ᵗʰ of the side of the square. (Use π = 3.14)
The area of a sector of a circle is 88cm² and the angle of the sector is 60º. Find the radius of the circle.
A sector of a circle has a central angle of 120° and a radius of 10 cm. Find the area of the sector.
The circumference of the two circles is 120 cm and 428 cm respectively. What is the difference between their radii?
In the figure given below, a circle is inscribed in a triangle ABC. If AB = 18 cm, BC = 14 cm and AC = 16 cm, then find the length of YC.
A sector of a circle has a central angle of 90°. If the radius of the circle is 10 cm, what is the area of the sector?
A square PQRS is inscribed inside a circle. Another circle is inscribed within the square PQRS, and this process repeats infinite...
