DS-Algebra

DS Folder for Algebra

Is x+1/y+1>x/y? (1) 00
Concept: The question tests on the application of equations in a DS format. Solution: We are asked if x+1/y+1 > x/y  or  if y(x+1) > x(y+1)   [On cr...
Tue, 12 Oct, 2021 at 5:05 PM
If a and b are integers, and b > 0, does a−1/b+1=a/b? (1) a = b − 4 (2) a = –b
Concept: The question tests on the application of using equations to reach at a conclusion in a DS format Solution: We are asked if a-1/b+1  =  a/ b Or w...
Tue, 12 Oct, 2021 at 5:06 PM
If a and b are constants, is the expression x+ b /√x+ a defined for x = –2 ? (1) a = 5 (2) b = 6
Concept: The question tests on the basics of fractions. Solution: The expression can be defined if the denominator is defined a should not 2 if x is -2 ...
Tue, 12 Oct, 2021 at 5:06 PM
Is x = y? (1) 2x/3−y/3=1/3 (2) x/4−y/4=0
Concept: The question tests on applying the basics of Equation in a DS format Solution: St (1) Reduces to 2x – y = 1 =>2x = y + 1 If y = 1 then x=1 =...
Tue, 12 Oct, 2021 at 5:06 PM
If 2^(x + y) = 4^8, what is the value of y? (1) x^2 = 81 (2) x − y = 2
Concept: The question tests on the application of exponents and equation in a DS format. Solution: 2x+y = (22)8 = 216 x +y = 16  St (1) x2 = 81 and th...
Tue, 12 Oct, 2021 at 5:06 PM
If q, s, and t are all different numbers, is q < s < t? (1) t - q = |t - s| + |s - q| (2) t > q
Concept: The question tests on the basics of absolute value and equations in the format of a DS question Solution: St (1) Given Distance (t, q) = distan...
Tue, 12 Oct, 2021 at 5:06 PM
On the number line, point R has coordinate r
Concept: The question tests on the basic understanding in Algebra. St(1):- Only gives information about r and nothing St(2):-R can be +2 or a -2 and...
Tue, 12 Oct, 2021 at 5:06 PM
Given x≠y, what is the value
  Concept: The question tests on the application of Algebra in a DS format Solution: Simplifying the following expression, we have  xy(x−y)/(1/x−1/y) =...
Tue, 12 Oct, 2021 at 5:06 PM
What is the value of p? (1) 5p - 20 = 5
Concept: The question tests on the application of Algebra in a DS format Solution: Statement 1: 5p - 20 = 5 From this we can get the value of p, which is...
Tue, 12 Oct, 2021 at 5:07 PM
Is the positive integer x greater than 3?
Concept: The question tests on the application of Absolute value in a DS format Solution: Statement 1: |x - 5| = |x - 13| If both LHS and RHS are positiv...
Tue, 12 Oct, 2021 at 5:07 PM