17. The total cost of six books, five pencils and seven sharpeners is Rs 115 and that of eight books, ten
pencils and fourteen sharpeners is Rs 190, then which of the following article's cost can be found
uniquely?
(1) Book
(2) Pencil
(3) Sharpener
(4) None of these
Answers
Answered by
6
Answer:
6Books +5 pencils +7 sharpners=115
8 Books +10 Pencils +14sharpners=
190
12 Books +10 Pencils +14sharp=
230
subtract: 4 Books = 40
iBook=10
Book is the answer
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