Question

(c) If 10 pens cost 60 rupees, cost of 20 pens will be​

Answer 1

Answer:

120

Step-by-step explanation:

10 pens = 60

20 pens = 10 pens + 10 pens

= 60 + 60

= 120.

Answer 2

Answer:

Hence the cost of 20 pens is Rs.120

Step-by-step explanation:

In the above question, it is given that,

Given that the cost of 10 pens is Rs.60

 We need to find the cost of 20 pens.

So, the cost of one pen will be as follow,

$=\frac{60}{10} \\=Rs.6$

Therefore the cost of 20 pens is as below,

$=20\times 6\\=Rs.120$