## QA – Placement Quizzes | Algebra | Question 14

A total of 324 coins of 20 paise and 25 paise make a sum of Rs 71. The number of 25-paise coins is: (A) 104… Read More »

## QA – Placement Quizzes | Algebra | Question 13

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 »

## QA – Placement Quizzes | Algebra | Question 12

Find the value of (1-1/3)(1-1/4)(1-1/5)…(1-1/100). (A) 1/10 (B) 1/50 (C) 1/20 (D) 1/100 Answer: (B) 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 »

## QA – Placement Quizzes | Algebra | Question 11

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 »

## QA – Placement Quizzes | Algebra | Question 10

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 »

## Aptitude | Algebra | Question 8

then y is equal to, (A) 9/4 (B) 7/4 (C) 1/4 (D) 5/4 Answer: (A) Explanation: Now equating power on both side, or orQuiz of… Read More »

## 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 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 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 »