Question

2 note books cost Rs 18. By the method of proportion the number of notebooks that can be bought for Rs 72 are

74
72
70
76​

Answer 1

Answer:

8

Step-by-step explanation:

Let the number of notebooks bought for Rs.72 be x.

=> 2:x::18:72

Product of mean terms = Product of extreme terms

=> 18 × x = 2 × 72

=> x = 8

Hence, 8 notebooks can be bought for Rs.72.