Question

If the price of 1 dozen bananas is ₹k, then which of the following is the correct equation for the given statement?

$\text{Statement:}$ Rahul had ₹200. He bought 4 dozen bananas and left with ₹75.

• A. $4k–75=200$
• B. $4k+75=200$
• C. $4k=275$
• D. $4\times 75+k=200$

Answer 1

The correct option is B $4k+75=200$

Given, price of 1 dozen banana is ₹$k$.
$\Rightarrow$ Price of 4 dozen bananas = $4\times k=4k$
Given, amount of money Rahul left with is ₹75.
$\Rightarrow$ Total money Rahul had = $4k+75$
Also, It is given that Rahul had ₹200.
$\Rightarrow$ $4k+75=200$
Hence, option b will be the correct equation for the given statement.