**Perimeter and Area Class 7 Mathematics Extra Question and Answers for CBSE / NCERT Board Students**

Perimeter and Area Extra Questions and Answers for Class 7 Level Students of CBSE / NCERT Board Published in this Page. Here we provided 01 Marks that’s mean MCQ Type Questions and their Solution And Long Answer Type Questions & Solution. Class VII Students can follow this Page.

__Long Answer Type Extra Questions__

__Long Answer Type Extra Questions__

**(1) Two cross roads, each of width 10 cm, cut at right angles through the centre of a rectangules park of length 700 m and breadth 300 m and parallel to its sides. Find the area of the roads. Also find the area of the park excluding cross roads. Give the answer in hectares. **

**(2) From a square cardboard, a circle of biggest area was cut out. If the area of the circle is 154 cm ^{2 }, calculate the original areas of the cardboard. **

**(3) The carpet for a room 6.6 by 5.6 m costs Rs 3960 and it was made from a roll 70 cm wide. Find the cost of the carpet per metre. **

**Solution:**

__MCQ Type __

__MCQ Type__

**(1) 256 sq cm = _________ sq m **

**(a) 0.256 **

**(b) 0.0256**

**(c) 0.000256 **

**(d) 0.000256 **

**(2) The radius of a circle of area 154 sq m is **

**(a) 7m **

**(b) 1.7 m **

**(c) 7m **

**(d) 1.075 m **

**(3) The radius of a circle with circumference 31.4 cm is **

**(A) 7 cm **

**(b) 2 cm **

**(c) 3 cm **

**(d) 5cm **

**(4) The height of a triangle with base 8 cm and area 10 cm ^{2} is**

**(a) 2 cm **

**(b) 2.5 cm **

**(c) 5 cm **

**(d) 1.25 cm **

**In case you are missed :- NCERT Extra Questions for Rational Numbers**

**(5) The base of a parallelogram with area 154.5 cm ^{2 }and height 15 cm is **

**(a) 10 cm **

**(b) 12 cm **

**(c) 10.3 cm **

**(d) 13 cm**

**Solution:**

__Short Answer Type Extra Questions & Solution__

__Short Answer Type Extra Questions & Solution__

**(1) Anu wants to fence the garden in front of her house, on three sides with length 20 m, 12 m and 12 m. Find the cost of fencing at the rate of Rs 150 perimeter. **

**(2) The area of a rhombus 72 sq cm. If its perimeter is 32 cm, find its altitude. **

**(3) In a school, student through of planting trees the boundary of the school to reduce pollution. It was decide that after every 10 m of boundary one tree should planted. If the length and breadth of the boundary are 90 m and 70 m respectively, calculate the number of trees will be planted by the students ? **

**(4) The radius of a circular pi[e is 10 cm. What length of a tape is required to wrap once around the pipe ( = = 3.14)? **

**(5) A window of length 1.55 m and 0.5 m is on wall length 4.5m and breadth 3.5 m. Find the of white washing the wall, if the rate of white washing the wall is Rs. 25 per square meter.**

**Solution:**

__Very Short Answer Type Extra Questions__

__Very Short Answer Type Extra Questions__

**(1) The length and breadth of a rectangular plot are in the ratio 9:5. If its perimeter is 280, find area. **

**(2) A square garden has a side of 22 metres. How many metres of fence are needed to enclose the garden 5 times ? **

**(3) Two sides of a parallelogram are 0 cm and 25 cm. If the altitude corresponding to side 25 cm is 10 cm. Find the altitude corresponding to the other pair sides. **

**(4) If the ratio of radii of two circles is 2:3, then find the ratio of their circumference. **

**(5) Find the ratio of the are of a semicircle to the area of its quadrant.**

**Solution:**

**Please Share to Your Friends.**

**In case you are missed :- NCERT Extra Questions for Fractions and Decimals**

All are right answers

Short answer type no.1 you taken 20,12,12

But there is 30,12,12

And will be 54

You have written 44

So please correct the answer

Thank you for these questions and answers