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Standard VI

Mathematics

Calculating Fractional Area

Question 1bAn...

Question

Question 1(b)

Answer the following:

The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?

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Solution

Given, breadth = b meters

$∴$ 3 times the breadth = $3 \times b r e a d t h$ = $3 \times b$ = 3b

Since the length is 4 meters less than 3 times the breadth,

length = (3b- 4) meters

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Question 1(b)

Answer the following:

The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?

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Question 13

Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lengths of the hall.

$\begin{matrix} B r e a d t h o f t h e h a l l (i n m e t e r s) & 10 & □ & 40 L e n g t h o f t h e h a l l (i n m e t e r s) & 25 & 50 & □ \end{matrix}$

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Calculating Fractional Area

Standard VI Mathematics

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Question 1(b) Answer the following: The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?

Given, breadth = b meters ∴3 times the breadth = 3×breadth = 3×b = 3b Since the length is 4 meters less than 3 times the breadth, length = (3b- 4) meters

Question 1(b)

Answer the following:

The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?

Given, breadth = b meters

$∴$ 3 times the breadth = $3 \times b r e a d t h$ = $3 \times b$ = 3b

Since the length is 4 meters less than 3 times the breadth,

length = (3b- 4) meters