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Solved CBSE Class 7 Maths Chapter 11 Assertion and Reason Questions – Perimeter and Area. Here we (Net Explanations) working very hard to providing you with the Important Assertion Reason Questions for this Chapter.
Assertion and Reason Questions Class 7 Maths Chapter 11 Perimeter and Area
1.) Assertion: Circumference of a circle of radius r is 2πr.
Reason: 1760 is the circumference of circle whose radius is 2.8 m
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
2.) Assertion: Area covered within the boundary of circle = π×r^2
Reason: if the radius of circle is12m then its area is 452.16
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
3.) Assertion: 25600m^2 the area of Square Park. Whose perimeter is 640m
Reason: perimeter of Square =4×side
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
4.) assertion: the area of rectangle,96 cm If length of the rectangle 12cm and breadth is 8cm.
Reason: Area of rectangle = l × b
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
5.) Assertion: the perimeter of the rectangle 20 cm if length and breadth are 6cm and 4cm.
Reason: Perimeter of the rectangle = 2 (l + b)
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
6.) Assertion: The perimeter of the rectangular sheet is 200cm. if the length is 40 cm. 60 cm its breadth .
Reason: Perimeter of rectangle = 2(l+b)
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
7.) Assertion: 20 cm^2 is the area of the triangle if the height and breadth is 8cm and 5cm.
Reason: Area of the triangle = ½ × b × h
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
8.) Assertion: 216 cm^2 is the area of the parallelogram if the breadth and height of the parallelogram is 12cm and 18cm.
Reason: Area of parallogram = b* h
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
9.) Assertion: 5024 is the area of circle of radius 40 cm.
Reason: The area of circle = πr^2
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
10.) Assertion: 62.8cm is the circumference of a circle of diameter 20cm
Reason: circumference of the circle = πd
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
11.) Assertion: 132 cm is the circumference of a circular disc of radius 21cm.
Reason: circumference of disc = 2πr
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
12.) Assertion: The perimeter of a square is 48 cm. Its area is 144cm^2
Reason: Side = 484 = 12 cm
∴ Area = 12 × 12 = 144 cm2
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
13.) Assertion: The area of a rectangular room is 150 m2. If its breadth is 10 m, then its length is 15m
Reason: leangth=150/10= 17m
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans:c) assertion is true but reason is false
14.) Assertion: rectangular wire of length 40 cm and breadth 20 cm is bent in the shape of a square. The side of the square is 30 cm
Reason: Side of square = 2(40+20)/4 = 30 cm
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
15.) Assertion: The area of a parallelogram of base 5 cm and height 3.2 cm is 16cm^2
Reason: Area of parallogram = l×b
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
16.) Assertion: The Length and the breadth of a rectangular piece of land are 500 m and 300 m, it’s area is 150000 m^2.
Reason: Area of rectangle = Length × Breadth
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
17.) Assertion: 6400 is the area of a square park whose perimeter is 320m.
Reason: Perimeter of Square Park = 4* side of area park
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
18.) Assertion: Perimeter of a regular polygon = number of sides × length of one side
Reason: Perimeter of a square = 4 × side
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
19.) Assertion: Distance around a circular region is known as its circumference.
Reason: Circumference of a circle = πd
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: a) both assertion and reason are correct and reason is correct explanation for assertion.
20.) Assertion:20 cm^2 is the area of the triangle if the height and breadth is 8cm and 5cm
Reason: Area of the triangle = 2 × b × h
a) both assertion and reason are correct and reason is correct explanation for assertion
b) both assertion and reason are correct but reason is correct explanation for assertion
c) assertion is correct but reason is false
d) both assertion and reason are false
Ans: c) Assertion is correct but reason is false.
I can’t understand
questions are not at all satisfying. It shows that the question paper maker has very poor analysis power as in most of the questions, the right answer is option A.