Maths Quiz for Class 9th CBSE Board (Perimeter and Area) 0% 2 Now you can start the quiz Thanks for participating in this MCQs quiz. Also try MCQs of other chapters for better understaning of maths. Maths Quiz for Class 9th CBSE Board (Perimeter and Area) 30 Questions We have 30 MCQ Maths Quiz Questions for Class 9th CBSE Board (Perimeter and Area). Time allowed is 15 minutes. The quiz will be auto-submitted upon completion of time. If you want restart the quiz then you can do so. 1 / 30 A rectangular field is 80 m × 60 m. Find the cost of fencing it at ₹25 per meter. 1) ₹6000 2) ₹9000 3) ₹7000 4) ₹8000 Wrong Correct Perimeter = 2(80+60)=280 m. Cost = 280 × 25 = ₹7000. 2 / 30 A rectangular park is 45 m long and 30 m broad. Find its area. 1) 1200 m² 2) 900 m² 3) 1500 m² 4) 1350 m² Wrong Correct Area = 45 × 30 = 1350 m². 3 / 30 The area of a circle is 154 cm². Find its radius. 1) 14 cm 2) 7 cm 3) 21 cm 4) 11 cm Wrong Correct 154 = 22/7 × r² ⇒ r² = 49 ⇒ r = 7 cm. 4 / 30 A path 2 m wide runs around a square garden of side 20 m. Find the area of the path. 1) 80 m² 2) 144 m² 3) 96 m² 4) 176 m² Wrong Correct Outer side = 24 m. Outer area = 576 m², inner area = 400 m². Path area = 176 5 / 30 What is the perimeter of an equilateral triangle of side 9 cm? 1) 36 cm 2) 27 cm 3) 81 cm 4) 18 cm Wrong Correct Perimeter = 3 × side = 3 × 9 = 27 cm. 6 / 30 Find the area of a circle of radius 14 cm. (Use π = 22/7)? 1) 616 cm² 2) 308 cm² 3) 154 cm² 4) 44 cm² Wrong Correct Area = πr² = 22/7 × 14 × 14 = 616 cm². 7 / 30 A square has side 15 cm. What is its perimeter? 1) 60 cm 2) 45 cm 3) 225 cm 4) 30 cm Wrong Correct Perimeter = 4 × side = 4 × 15 = 60 cm. 8 / 30 A triangle has sides 13 cm, 14 cm, and 15 cm. Find its perimeter. 1) 42 cm 2) 40 cm 3) 44 cm 4) 39 cm Wrong Correct Perimeter = 13 + 14 + 15 = 42 cm. 9 / 30 Find the area of four walls of a room 8 m long, 6 m broad, and 5 m high. 1) 120 m² 2) 150 m² 3) 100 m² 4) 140 m² Wrong Correct Area of four walls = 2h(l+b)=2×5×(8+6)=140 m². 10 / 30 Find the side of a square whose area is equal to the area of a rectangle 16 cm × 9 cm. 1) 10 cm 2) 14 cm 3) 12 cm 4) 16 cm Wrong Correct Rectangle area = 16×9 = 144 cm². Square side = √144 = 12 cm. 11 / 30 Find the area of a semicircle of radius 14 cm. (Use π = 22/7). 1) 308 cm² 2) 462 cm² 3) 154 cm² 4) 616 cm² Wrong Correct Area of circle = 616 cm². Semicircle area = 616/2 = 308 cm². 12 / 30 A wire of length 88 cm is bent into a square. Find its area. 1) 484 cm² 2) 441 cm² 3) 400 cm² 4) 256 cm² Wrong Correct Side = 88/4 = 22 cm. Area = 22² = 484 cm². 13 / 30 Find the area of a rectangle of length 10 cm and breadth 4 cm. 1) 40 cm² 2) 80 cm² 3) 20 cm² 4) 14 cm² Wrong Correct Area = length × breadth = 10 × 4 = 40 cm². 14 / 30 A square and a rectangle have the same perimeter. The square side is 12 cm and rectangle length is 16 cm. Find breadth. 1) 10 cm 2) 8 cm 3) 12 cm 4) 6 cm Wrong Correct Square perimeter = 48 cm. Rectangle: 2(l+b)=48 ⇒ l+b=24 ⇒ b=8 cm. 15 / 30 The circumference of a circle is 88 cm. Find its radius. (Use π = 22/7). 1) 21 cm 2) 28 cm 3) 14 cm 4) 7 cm Wrong Correct 88 = 2 × 22/7 × r ⇒ r = 14 cm. 16 / 30 The perimeter of a rectangle is 70 cm and its breadth is 15 cm. Find length. 1) 30 cm 2) 25 cm 3) 35 cm 4) 20 cm Wrong Correct 2(l+b)=70 ⇒ l+b=35 ⇒ l=35−15=20 cm. 17 / 30 The length of a rectangle is 12 cm and perimeter is 40 cm. Find breadth. 1) 8 cm 2) 4.4 cm 3) 10 cm 4) 6 cm Wrong Correct 2(l+b)=40 ⇒ l+b=20 ⇒ b=20−12=8 cm. 18 / 30 The perimeter of a square is 36 cm. Find its side. 1) 6 cm 2) 18 cm 3) 9 cm 4) 12 cm Wrong Correct Side = Perimeter ÷ 4 = 36 ÷ 4 = 9 cm. 19 / 30 Find the cost of tiling a floor 20 m long and 15 m broad at ₹12 per m². 1) ₹4200 2) ₹2400 3) ₹3000 4) ₹3600 Wrong Correct Area = 20 × 15 = 300 m². Cost = 300 × 12 = ₹3600. 20 / 30 The perimeter of an equilateral triangle is 54 cm. Find each side. 1) 18 cm 2) 20 cm 3) 24 cm 4) 12 cm Wrong Correct Each side = 54 ÷ 3 = 18 cm. 21 / 30 Find the area of a triangle with base 12 cm and height 5 cm. 1) 24 cm 2) 30 cm 3) 60 cm 4) 17 cm Wrong Correct Area of triangle = 1/2 × base × height = 1/2 × 12 × 5 = 30 cm². 22 / 30 A circular field has radius 21 m. Find its circumference using π = 22/7. 1) 132 m 2) 44 m 3) 66 m 4) 88 m wrong Correct 2πr = 2 × 22/7 × 21 = 132 m. 23 / 30 What is the area of a square with side 7 cm? 1) 56 cm² 2) 28 cm² 3) 14 cm² 4) 49 cm² Wrong Correct Area of square = side² = 7 × 7 = 49 cm². 24 / 30 What is the perimeter of a rectangle with length 8 cm and breadth 5 cm? 1) 26 cm 2) 40 cm 3) 18 cm 4) 13 cm Wrong Correct Perimeter of rectangle = 2(l + b) = 2(8 + 5) = 26 cm. 25 / 30 What is the circumference of a circle of radius 7 cm? (Use π = 22/7) 1) 22 cm 2) 44 cm 3) 154 cm 4) 77 cm Wrong Correct Circumference = 2πr = 2 × 22/7 × 7 = 44 cm. 26 / 30 Find the area of a rhombus with diagonals 16 cm and 10 cm. 1) 40 cm² 2) 26 cm² 3) 160 cm² 4) 80 cm² Wrong Correct Area = 1/2 × d1 × d2 = 1/2 × 16 × 10 = 80 cm². 27 / 30 The area of a square is 256 cm². Find its perimeter. 1) 48 cm 2) 64 cm 3) 16 cm 4) 32 cm Wrong Correct Side = √256 = 16 cm. Perimeter = 4 × 16 = 64 cm. 28 / 30 Find the area of a trapezium with parallel sides 12 cm and 18 cm and height 10 cm. 1) 150 cm² 2) 120 cm² 3) 300 cm² 4) 180 cm² Wrong Correct Area = 1/2 × (12+18) × 10 = 150 cm². 29 / 30 Find the area of a sector of angle 90° in a circle of radius 14 cm. 1) 616 cm² 2) 154 cm² 3) 308 cm² 4) 77 cm² Wrong Correct Area of full circle = 616 cm². Sector area = 1/4 × 616 = 154 cm². 30 / 30 A circular track has diameter 70 m. Find its circumference. 1) 110 m 2) 140 m 3) 220 m 4) 70 m Wrong Correct Circumference = πd = 22/7 × 70 = 220 m. The average score is 27% 0% Restart quiz Exit