14 books cost Rs 133, then find the cost of 20 books.

If 4 books cost रु 270.6, find the cost of one book.

If the cost of 12 books is Rs 144, then the cost of 18 books is (a) Rs 206 (b) Rs 216 (c) Rs 198 (d) Rs 180

If the cost of 12 books is Rs 144, then the cost of 18 books is (a) Rs 206 (b) Rs 216 (c) Rs 198 (d) Rs 180

The cost of 12 books is Rs. 144. Find the cost of 18 books.

If the cost of a book is Rs. 25.75, find the cost of 24 such books.

If the cost of 15 books is Rs90, then what is the cost of one book?

6 note- books cost Rs. 156, find the cost of 54 such note-books.

If the cost of a book is Rs.25.75 ,find the cost of 24 such books.