# Tag Archives: QA – Placement Quizzes-Algebra

If a total of 324 coins of 20 paise and 25 paise make a sum of Rs 71. Then find the number of 25-paise coins.… Read More
A zoo has some peacocks and some horses. If the number of heads be 48 and the number of feet be 140, then the number… Read More
Find the value of (1-1/3)(1-1/4)(1-1/5)…(1-1/100). (A) 1/10 (B) 1/17 (C) 1/20 (D) 1/50 Answer: (D)Explanation: We have (1-1/3)(1-1/4)(1-1/5)…(1-1/100) = (2/3)(3/4)(4/5)…(99/100) = 2/100 = 1/50. Quiz… Read More
If 2x/(1 + 1/(1 + x/(1 – x))) = 1, then find the value of x. (A) 1/3 (B) 2/3 (C) 1/2 (D) 3/2 Answer:… Read More
4/15 of 5/7 of a number is greater than 4/9 of 2/5 of the same number by 8. What is half of that number? (A)… Read More
(A) 1 + 1/(x+4) (B) x+4 (C) 1/x (D) x+4/ x Answer: (D)Explanation: Quiz of this QuestionPlease comment below if you find anything wrong in… Read More
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
If x takes only real numbers. For what value of x, the value of the expression: 4−6x−x2 will be maximum? (A) -4 (B) -3 (C) 0 (D)… Read More
Given two numbers x and y such that  1. x3 + y3 = 9  2. x + y = 3 Find the value of x4+y4  … Read More