Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 133
A person purchased 15 pens and 30 books worth Rs. 825. If the cost of a book is double that of a pen, calculate the cost of the one book.
Solution
given, 15p + 30b=825........(1)
& b=2p......(2)
on solving (1) and (2) we get b=22
Create a FREE account and get:
- Download RRB Study Material PDF
- 45+ RRB previous papers with solutions PDF
- 300+ Online RRB Tests for Free
