Project ForgeGeneral Aptitude
Quantitative Aptitude
GATE 2019
Medium
The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is _____.
- A2
- B3
- 4
- D6
Explanation
The two integers are roots of t^2 - 26t + 165 = 0. Discriminant = 26^2 - 4(165) = 676-660=16, sqrt=4. Roots = (26+-4)/2 = 15 or 11. Difference = 15-11 = 4.
Source: GATE ME 2019 Session 1 (Set 1) (2019)
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