Question

the cost of 40 toys is rupees 1024 what is the cost of 1 dozens such toys

Answer 1

Cost of 1 toy = 1024/40 = ₹25. 6
Cost of 12 toys ( 1 dozen ) = 25.6 x 12
= ₹307.2

Answer 2

Cost of 40 toys = 1024

=> Cost of 1 toy = 1024 / 40

=> Cost of 12 toys = 1024 * 12 / 40

= 1024 * 3 / 10

= 3072 / 10

= Rs 307.2