Download Railway RRB Group D OFFICER QUANTITATIVE APTITUDE Previous Papers with Answer Keys HELD ON 6-11-2016

11.
I. 2x² – 13x + 21 = 0
II. 3y² – 14y + 15 = 0
1) x ≥ y
2) x ≤ y
3) x < y
4) x > y
5) x = y or no relationship can be established

12.
I. 2x² – 13x + 18 = 0
II. y² – 7y + 12 = 0
1) x < y
2) x ≥ y
3) x ≤ y
4) x = y or no relationship can be established
5) x > y

13. I. x² + 6x + 9 = 0
II. y² – y – 20 = 0
1) x < y
2) x = y or no relationship can be established
3) x ≤ y
4) x ≥ y
5) x > y

14.
I. 3x² – 10x + 8 = 0
II. 2y² – 19y + 35 = 0
1) x > y
2) x ≥ y
3) x ≤ y
4) x = y or no relationship can be established
5) x < y

15. Jar A had 60 litres of a mixture of milk and water in the ratio of 2 : 1. Jar B, which had 40 litres of mixture of milk and water, was emptied into Jar A. As a result in Jar A, the ratio of the milk to water became 13 : 7. What was the quantity of water in Jar B?
1) 8 litres
2) 15 litres
3) 22 litres
4) 7 litres
5) 1 litre