Question

If the cost of 2 dozen pen is rupees 132 find the cost of 45 such pen

Answer 1

$\bf\red{Question}$

If the cost of 2 dozen pen is rupees 132 find the cost of 45 such pen .

$\bf\red{Answer}$

$\sf\purple{Given:}$

• cost of 2 dozen pens is Rs 132.

$\sf\purple{To\:find:}$

• cost of 45 such pens ?

$\bf\green{Explanation}$

• 1 dozen = 12 .

• 2 dozen = 2 × 12 = 24

Cost of 1 pen = $\sf{\dfrac{132}{24}}$

$\longrightarrow\sf{11}$

cost of 45 pens = 11 × 45

$\longrightarrow\sf{495}$