## Amazon Placement Papers

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Amazon Technical paper 19 Feb 2012 , 2013

Amazon Reasoning Ability

Amazon Verbal Ability

Amazon Placement Paper Pattern - Hyderabad

Amazon Interview Questions paper

Amazon Language Paper 2015

Amazon interview questions

Amazon Previous Years Questions 2015

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# Amazon Aptitude Questions

Posted on :10-02-2016

__AMAZON Aptitude Questions__**Q1. A function f(x) is defined as f(x) = f(x - 2) - x(x + 2) for all the integer values of x and f(1) + f(4) = 0. What is the value of f(1) + f(2) + f(3) + f(4) + f(5) + f(6)?**

A) 0B) 89C) 89D) None of these

__ANS:__**C**

Explanation:Let S = f(1) + f(2) + f(3) + f(4) + f(5) + f(6)As f(1) + f(4) = 0, therefore S = f(2) + f(3) + f(5) + f(6) ------ (1)f(2) = f(0) - 8f(3) = f(1) - 15f(4) = f(2) - 24 = f(0) - 32f(5) = f(3) - 35 = f(1) - 50f(6) = f(4) - 48 = f(0) - 80Put the above values in equation (1), we getS = f(0) - 8 + f(1) - 15 + f(1) - 50 + f(0) - 80S = 2(f(0) + f(1)) - 153 ------ (2)As we already know f(1) + f(4) = 0 â‡’f(1) + f(0) - 32 = 0 â‡’f(1) + f(0) = 32Putting this value in equation 2, we get S = 2(32) - 153 = -89So, Ans is option C.

**Q2. In ABC, the internal bisectors of ABC and ACB met at 1 and BAC = 50.The measure of BIC is**

A) 105B) 115C) 125D) 130

__ANS:__**B.**

Explanation:I is the In-centreSo, BIC = 90 + 1/2 BAC= 90 + 1/2 50 = 115

**Q3. The difference between [3/5] of [2/3] a number and [2/5] of[1/4] of the same number is 288. What is the number?**

A) 960B) 850C) 895D) 955E) 44%

__ANS:__**A.**

Explanation:Let the current price be Rs. 100.For getting 12% profit he should sell it at Rs. 112.Let the label price be x.Let the no. Be [3/5]*[{2/5}x]-[2/5]*[1/4]x,then = 288 Solving it we will get 960

**Q4. A, B, C and D are four consecutive odd numbers and their average is 42. What is the product of B and D?**

A) 1860B) 1890C) 1845D) 1677E) None of these

__ANS:__**C.**

Explanation:Work done by A and B in 12 days is12[112*5/4]=12*5/120=.5As diff. Is same so average should lie between B and C so B is 41 & C is 43 so D must be 45 as we have to find the product of B and D so it would be 1845

**Q5. BL and CM are medians of ABC right angled at A and BC =5 cm. If BL =3- 5/2 cm, then the length of CM is**

A) 2 5B) 5 2C) 10 2D) 4 5

__ANS:__**A.**

Explanation:Here, BC = 5cmBL = 3 5/2 cmBy using the formula4(BL2 + CM2) = 5BC2

**Q6. A sum of Rs 731 is divided among A, B and C such that A receive 25% more than B and B receive 25% less than C. What is Cs share in the amount?**

A) Rs. 172B) Rs. 200C) Rs. 262D) Rs. 258E) None of these

__ANS:__**E.**

Explanation:A + B + C = 731 ..... (i) A = 1.25B, gives A = 1.25 * 0.75 C = 0.9375 C....(ii) B = 0.75C....(iii) Using (ii) and (iii) in (i) we get 0.9375C + 0.75C + C = 731, gives C = 272. So option E is the answer.

**Q7. In how many different ways can letters of the word "PRAISE" be arranged?**

A) 720B) 610C) 360D) 210E) None of these

__ANS:__**A.**

Explanation:As total number of alphabets in PRAISE are 6, so total no. of ways is 6!=720 So option A is the answer

**Q8. If the numerator of a fraction is increased by 150% and the denominator of the fraction is increased by 300%, the resultant fraction is [5/18]. What is original fraction?**

A) 4/9B) 4/5C) 8/9D) 8/11E) None of these

__ANS:__**A.**

Explanation:Let the fraction be [n/d] & after that it becomes [2.5 n / 4 d]=5/18 . So we get the result as [4/9]

**Q9. A car covers the first 30 km of its journey in 45 minutes and the remaining 25 km in 30 minutes. What is the average speed of the car?**

A) 60B) 64C) 49D) 48E) None of these

__ANS:__**E.**

Explanation:Total distance/Total time =(30+25)/[(3/4)+(1/2)]Average Speed=44kmph

**Q10. Four examiners can examine a certain number of answer papers in 10 days by working for 5 hours a day. For how many hours a day would 2 examiners have to work in order to examine twice the number of answer papers in 20 days?**

A) 8B) 7.5C) 10D) 8.5E) None of The above

__ANS:__**C.**

Explanation:

## Amazon Placement Papers

➤ Amazon Aptitude Questions 2016 & Interview Questions

➤ Amazon Technical paper 19 Feb 2012 , 2013

➤ Amazon Reasoning Ability

➤ Amazon Verbal Ability

➤ Amazon Placement Paper Pattern - Hyderabad

➤ Amazon Interview Questions paper

➤ Amazon Language Paper 2015

➤ Amazon interview questions

➤ Amazon Previous Years Questions 2015

## Related Companies

Polaris

Yahoo

Honeywell

SAP labs India

Cognizant

Infosys

Syntel

TCS

Wipro

Polaris

Google

Dell

EMC Corporation

Verizon

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