Question

12 oranges costs Rs 4 . What will be the cost of 18 oranges

Answer 1

12 oranges costs Rs 4
then cost of each orange = 4/12 = 1/3
the cost of 18 oranges = 18 x 1/3 = Rs. 6

Answer 2

12 orange cost =₹4
01 orange cost =4/12
Now,
Cost of 18 orange= 4/12 x 18
=4x1.5
= ₹6 Ans