Quantitative Aptitude Ques 499
Question: The graphs of $ x+2y=3 $ and $ 3x-2y=1 $ meet the Y-axis at two points having distance
Options:
A) 8/3 units
B) 4/3 units
C) 1 unit
D) 2 units
E) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
- $ x+2y=3 $ meets Y-axis at $ ( 0,\frac{3}{2} ) $
and $ 3x-2y=1 $ meets Y-axis at $ ( 0,\frac{-1}{2} ) $
Distance $ =\sqrt{{{( \frac{3}{2}+\frac{1}{2} )}^{2}}+0^{2}}=\sqrt{2^{2}+0}=2,units $