मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

A Rectangular Field is 100 M by 80 M. Find the Ratio of Breadth to Its Perimeter. - Mathematics

Advertisements
Advertisements

प्रश्न

A rectangular field is 100 m by 80 m. Find the ratio of breadth to its perimeter.

बेरीज

उत्तर

Length of field (l) = 100 m

Breadth (b) = 80 m

∴Perimeter = 2 (l + b) = 2 (100 + 80) m = 2 x 180 = 360 m

Ratio between breadth and its perimeter

= 80 : 360 = 2 : 9
(Dividing by 40, the HCF of 80 and 360)

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (A)

APPEARS IN

सेलिना Concise Mathematics [English] Class 7 ICSE
पाठ 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (A) | Q 5.2

संबंधित प्रश्‍न

There are 36 members in a student council in a school and the ratio of the number of boys to the number of girls is 3 : 1. How any more girls should be added to the council so that the ratio of the number of boys to the number of girls may be 9 : 5?


Find the ratio of the following in the simplest fcrm: 

Rs 5.40 and 180 paise 


Find the ratio of the following in the simplest fcrm: 

a4 + b4 and a3 - b3 


Find the compounded ratio of the following: 

`sqrt 8 : 4 ,  3 : sqrt 5` and `sqrt 20 : sqrt 27`


What quantity must be added to each term of the ratio 19 : 51 to make it equal to 3 : 7 ? 


Divide Rs 1,290 into A,B and C such that A is `2/5` of B and B : C = 4 : 3.


The monthly salary of a person is Rs. 12,000 and his monthly expenditure is Rs 8,500. Find the ratio of his:
(i) salary to expenditure
(ii) expenditure to savings
(ii) savings to salary


Express the given ratio in its simplest form: 1.5 : 2.5


Find the fourth proportional of `1/3, 2/5  "and"  8.4`


Find the second term of the proportion whose first, third, and fourth terms are 9, 8, and 24 respectively.


Find the mean proportion between 0.06 and 0.96


The costs of the two articles are in the ratio 7 : 4. If the cost of the first article is Rs. 2,800; find the cost of the second article.


Find the sub-duplicate ratio of 9 : 16


If a : b = 3 : 5, find (3a + 5b): (7a – 2b).


Find the simplified form of the following ratio.

15 : 20


To find the ratio of two quantities, they must be expressed in _____ units.


Which pair of ratios are equal? And why?

`2/3, 4/6`


In the following figure, division represents 1 cm:

Express numerically the ratios of the following distances:
AC : AF


A typist has to type a manuscript of 40 pages. She has typed 30 pages of the manuscript. What is the ratio of the number of pages typed to the number of pages left?


Find the ratio of the following:

98 to 63


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×