Q253
If x(x + y + z) = 20, y = (x + y + z) = 30 & z(x + y + z) = 50, then the value of 2(x + y + z) is?
A.
20
AnswerB.
10
C.
15
D.
18
Answer: Option A
Solution
Answer: Option A
Solution:
Aptitude · Q253
Algebra
Competitive Exams · Aptitude · question 253