Question

If cost of 40 pens is more than cost of 15 copies but less than cost of 16 copies. What can be the
minimum total cost of a pen and a copy if price of both pen and copy is an integer :
(a) 16
(b) 18
(c) 20
(d) 21
​

Answer 1

Answer:

18

Step-by-step explanation:

dont ask that because it is mental maths