Quantitative Aptitude – If x and y are non-negative integers such that


Slot – 2 – Quantitative Aptitude – If x and y are non-negative integers such that


Q. If x and y are non-negative integers such that x + 9 = z, y + 1 = z and x + y < z + 5, then the maximum possible value of 2x + y equals ?
Answer: 23

Solution:
Given,
x +9 = z or x = z -9
y +1 = z or y = z -1
now x+y < z+5
or z -9 + z – 1 < z+5
or z < 15
so x < 15 -9
or x < 6
y < z -1
y < 14
thus maximum value of 2x + y = 2*5+13 = 23


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