Question

Question 17
एक दर्जन कॉपियों का मूल्य 240 रुपए है । ऐसी 18
कॉपियों का मूल्य कितना होगा ?The value of a dozen
copies is 240 rupees. What will be the value of
18 such copies?
310 रुपए
320 रुपए
360 रुपए
420 रुपए​

Answer 1

Step-by-step explanation:

we know that , 1 dozen = 12p

so, 1 dozen copies = 12copies

since ,cost of 12 copies =240r

so, cost of one copies = 240/12=20

thus cost of 18 copies= 20×18=360