CBSE Class 6 Mathematics Mensuration Assignment Set 03

Question. The perimeter of a triangle whose sides are \( 1.2\text{ cm} \), \( 3.4\text{ cm} \) and \( 1.7\text{ cm} \) is
(a) \( 6.3\text{ cm} \)
(b) \( 5.3\text{ cm} \)
(c) \( 6.4\text{ cm} \)
(d) \( 63\text{ cm} \)
Answer: (a) \( 6.3\text{ cm} \)

Question. The perimeter of a rectangle whose sides are \( 1\text{ m } 30\text{ cm} \) and \( 70\text{ cm} \) is
(a) \( 20\text{ m} \)
(b) \( 2\text{ m} \)
(c) \( 0.2\text{ m} \)
(d) \( 2\text{ m } 30\text{ cm} \)
Answer: (b) \( 2\text{ m} \)

Question. The perimeter of a square whose each side is \( 1\text{ m, } 30\text{ cm, } 10\text{ mm} \) is
(a) \( 5.4\text{ m} \)
(b) \( 5.14\text{ m} \)
(c) \( 5.24\text{ m} \)
(d) \( 5.04\text{ m} \)
Answer: (c) \( 5.24\text{ m} \)

Question. The perimeter of an equilateral triangle of side \( 5\text{ cm} \) each is
(a) \( \frac{\sqrt{3}}{4} \times 15 \)
(b) \( \frac{\sqrt{3}}{4} \times 10 \)
(c) \( 10\text{ cm} \)
(d) \( 15\text{ cm} \)
Answer: (d) \( 15\text{ cm} \)

Question. Cost of fencing a rectangular park of length \( 200\text{ m} \) and width \( 150\text{ m} \) at the rate of Rs \( 25 \) per meter is
(a) Rs \( 17500 \)
(b) Rs \( 1750 \)
(c) Rs \( 1705 \)
(d) Rs \( 10750 \)
Answer: (a) Rs \( 17500 \)

Question. The table top of a table is \( 1\text{ m } 20\text{ cm} \) and \( 1\text{ m } 50\text{ cm} \). The perimeter of this top is
(a) \( 5.30\text{ m} \)
(b) \( 5.40\text{ m} \)
(c) \( 5.50\text{ m} \)
(d) \( 5.60\text{ m} \)
Answer: (b) \( 5.40\text{ m} \)

Question. The perimeter of a playground is \( 400\text{ m} \) and its length is \( 180\text{ m} \). The width of the ground is
(a) \( 40\text{ m} \)
(b) \( 30\text{ m} \)
(c) \( 20\text{ m} \)
(d) \( 10\text{ m} \)
Answer: (c) \( 20\text{ m} \)

Question. The side of a square with perimeter \( 80\text{ m} \) is
(a) \( 40\text{ m} \)
(b) \( 30\text{ m} \)
(c) \( 50\text{ m} \)
(d) \( 20\text{ m} \)
Answer: (d) \( 20\text{ m} \)

Question. A square is formed by moulding the wire of length \( 120\text{ m} \). The area of square is
(a) \( 900\text{ m}^2 \)
(b) \( 800\text{ m}^2 \)
(c) \( 700\text{ m}^2 \)
(d) \( 600\text{ m}^2 \)
Answer: (a) \( 900\text{ m}^2 \)

Question. The side of a square whose area is \( 64\text{ m}^2 \) is
(a) \( 16\text{ m} \)
(b) \( 8\text{ m} \)
(c) \( 18\text{ m} \)
(d) \( 32\text{ m} \)
Answer: (b) \( 8\text{ m} \)