Question

Cost of 2 pen is 80 Find the cost of 78 pen

Answer 1

$\textbf{ANSWER:}$

Given that:

Cost of 2 pens: Rs. 80

$Cost \: of \: 1 \: pen = \frac{80}{2} \\ \\ = 》 Rs. 40 \: \: .....(1)$

To find:

Cost of 78 pens = Cost of 1 pen × 78

[Due to (1)]

=》40×78

=》Rs. 3120