Question

The cost of 10 pencils is Rs. 26. What will be the cost of 4 pencils ?​

Answer 1

Given

• Cost of 10 pencils = Rs.26/-

To find

• Cost of 4 pencils

Solution

• 10 - 26
• 4  - x   (direct variation)
• 4×26 = 10×x (more pencils, more cost)
• 104 = 10x  (less pencils, less cost)
• x = 104/10
• x = 10.4

⇾ Cost of 4 pencils is Rs.10.4/-