Answer
454.5k+ views
Hint: Use unitary method i.e. find the cost x units of items by simply multiplying x with the cost of 1 unit of that item.
Using unitary method,
$1$dozen of bananas are of Rs$ = 42$
So, $3\dfrac{1}{2}$ dozen of bananas are of Rs\[ = 42 \times 3\dfrac{1}{2}\]
\[\begin{gathered}
= 42 \times \dfrac{7}{2} \\
= 21 \times 7 \\
= 147 \\
\end{gathered} \]
Hence, Cost of$3\dfrac{1}{2}$dozen of bananas is 147 Rs.
Note: In unitary method, we need to find info of a single unit. Then the multiplication will give us the answer. That’s what we have done in this question. We had given the cost of one dozen bananas and we just multiplied it with$3\dfrac{1}{2}$.
Using unitary method,
$1$dozen of bananas are of Rs$ = 42$
So, $3\dfrac{1}{2}$ dozen of bananas are of Rs\[ = 42 \times 3\dfrac{1}{2}\]
\[\begin{gathered}
= 42 \times \dfrac{7}{2} \\
= 21 \times 7 \\
= 147 \\
\end{gathered} \]
Hence, Cost of$3\dfrac{1}{2}$dozen of bananas is 147 Rs.
Note: In unitary method, we need to find info of a single unit. Then the multiplication will give us the answer. That’s what we have done in this question. We had given the cost of one dozen bananas and we just multiplied it with$3\dfrac{1}{2}$.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Why Are Noble Gases NonReactive class 11 chemistry CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let X and Y be the sets of all positive divisors of class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x and y be 2 real numbers which satisfy the equations class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x 4log 2sqrt 9k 1 + 7 and y dfrac132log 2sqrt5 class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x22ax+b20 and x22bx+a20 be two equations Then the class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Trending doubts
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
At which age domestication of animals started A Neolithic class 11 social science CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Which are the Top 10 Largest Countries of the World?
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Give 10 examples for herbs , shrubs , climbers , creepers
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Difference Between Plant Cell and Animal Cell
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Write a letter to the principal requesting him to grant class 10 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Change the following sentences into negative and interrogative class 10 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Fill in the blanks A 1 lakh ten thousand B 1 million class 9 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)