Question

If cost of 5 pens is Rs. 10. Then cost of 4 pens is _________ (8 , 20)​

Answer 1

Answer:

Cost of 4 pens is ₹8 because 5 pens costs is ₹10

→so 10/5=2

→so, 1 pen =₹2

so. 4 pens cost is 4×2=8

Answer 2

Answer:

cost of 5 pens = 10 rs

cost of 1 pen = 10 / 5

cost of 1 pen = 2 rs

cost of 4 pens = 2 × 4

cost of 4 pens = 8 rs