Question

*If the cost of 5 notebooks is Rs. 60 then cost of such 12 notebooks is?*

1️⃣ Rs. 60
2️⃣ Rs. 144
3️⃣ Rs. 17
4️⃣ Rs. 25​

Answer 1

the cost of 12 notebooks is Rs.144

Answer 2

Answer:

Rs=144

Explanation:

Cost of 5 note book = Rs60

∴ Cost of 1 note book = 60/5

Cost of 1 note book = Rs12

Now ,

The cost of 12 note book

= cost of 1 note book×12

∴ The cost of 12 note book = 12×12

The cost of 12 note book = Rs144