# Tag Archives: Algebra

## Aptitude | Algebra | Question 7

If x1/3 + y1/3 – z1/3 = 0 then value of (x + y – z)3 + 27xyz is (A) 8 (B) 2 (C) 0… Read More »

## Aptitude | Algebra | Question 6

If b2 + 1⁄b2 = 1, then value of b3 + 1⁄b3 is , (A) 0 (B) 6 (C) -4 (D) 4 Answer: (A) Explanation:… Read More »

## Aptitude | Algebra | Question 5

if x = (√2 + 1 )–1⁄5 then the value of (x5 – 1⁄x5) is (A) 0 (B) -2 (C) 2 (D) 4 Answer: (B)… Read More »

## Aptitude | Algebra | Question 4

If 5√x +12√x =13√x then value of x is, (A) 2 (B) 1 (C) 3 (D) 4 Answer: (D) Explanation: say x=1 17!=13 for, x=2… Read More »

## Aptitude | Algebra | Question 3

For any real number x the maximum value of 4−6x−x2 is at x=, (A) 4 (B) 6 (C) -3 (D) 3 Answer: (C) Explanation: Differentiate and equate to 0… Read More »

## Aptitude | Algebra | Question 2

If x+1/2x = 2, find the value of 8×3+1/x3 (A) 40 (B) 20 (C) 28 (D) 35 Answer: (A) Explanation: Quiz of this QuestionPlease comment… Read More »

## Aptitude | Algebra | Question 1

If x3 + y3 = 9 and x + y = 3, then the value of x4+y4 is, (A) 21 (B) 0 (C) 17 (D) 25 Answer: (C) Explanation:… Read More »