Question

find the ratio between the cost of a pencil to that of a ball pen when the pencils cost ₹16 per score and the ball pen cost ₹15 per dozen(Hint:1score=20units)​

Answer 1

Answer:

cost of one pencil = 16/20 = 4/5

cost of one pen = 15/12 = 5/4

Ratio = 4/5 ÷ 5/4

= 4/5 × 4/5

= 16/25

= 16:25

Answer 2

Answer:

1 score = Rs. 96

20 Pencil = Rs. 96

{1 pencil = rs. 4.8}

1 dozen = Rs. 50.4

12 Pens = Rs. 50.4

{1 pen = 4.2}

∴(

Pen

Pencil

)=

4.2

4.8

=(

7

8

)