state gov DSSSB Junior Clerk Mock Test Quantitative Aptitude Algebra Linear Equation in 2 or more Variables
A person buys 5 pens and 6 notebooks for Rs. 61. If the persons change his decision and replace the quantity he would save Rs. 1. What is the cost of 1 pen?
1
Rs. 5
2
Rs. 6
3
Rs. 4
4
Rs. 3