(a)A book costs 3 times the costs of a notebook.
(b) Tony’s box contains 8 times the number of marbles on the table
(c) Total number of students in the school is 20 times that of our class
(d) Jaggu’s uncle is 4 times older than Jaggu and Jaggu’s aunt is 3 years younger than his uncle
(e) The total number of dots is 5 times the number of rows