Subject
Quantitative Aptitude
Topic
Solution
If (a/b)x - 1= (b/a)x - 3, then the value of x is:
If (a/b)x - 1= (b/a)x - 3, then the value of x is:
ক)
1/2খ)
1গ)
2ঘ)
7/2Explanation
Given (a/b) x – 1= (b/a) x - 3 => (a/b)(x-1) =(a/b)- (x - 3) = (a/b)(3 - x) => x - 1 = 3 - x => 2x = 4 => x = 2.Related questions
If A+B+C=10, A+B = 7 and A-B =5, What is the value of C?If x=1 - q and y = 2q+1 , then for what value of q. x is equal to y ?Which one of the following is a solution to the equation x4– 2x2= -1?If 3√x = 2√3, What is the value of x?50 g of an alloy of gold and silver contains 80% gold(by weight). The quantity of gold, that is to be mixedup with this alloy, so that it may contain 95% gold is?If x = y + 4 and x = 20-y, then x2-y2=If (4-x)/(2+x) = x, what is the value of x2+ 3x -4?If n is a number such that (-8)2n = 28+2n, then n=