1) In an Amazon Fulfillment center, it takes a quality specialist 20 minutes to perform a damage-free check of one laptop. A temporary contractor takes 60 minutes to perform the same task. 

How many hours does it take a quality specialist and a temporary contractor together to perform a damage-free check of a batch of 160 laptops?

  A) 135 hours  

  B) 40 hours  

  C) 50 hours  

  D) 60 hours  

  E) 24 hours

2) An space rocket travels around the Earth at a speed of approximately 18.5 miles per second. This approximate speed is how many miles per hour?

  A) 1,080  

  B) 1,160  

  C) 64,800  

  D) 66,600  

  E) 3,996,000

3) If x-4 is 6 more than y, then x+9 is how much more than y+5?  

  A) 10  

  B) 12  

  C) 14  

  D) 17  

  E) 18

4) The first generation of the Galaxy 1 smartphone used to have a battery life of 20 hours. The new Galaxy 2 has smaller batteries with 40% less capacity. Also, the operating system of the Galaxy 2 consumes on average 50% less battery than the one of Galaxy 1. What is the battery life of Galaxy 2?

  A) 24 hours  

  B) 25 hours  

  C) 26 hours  

  D) 30 hours  

  E) 36 hours

   

5) Exactly 1/5 of the clients who entered Mike's shop yesterday were women. If exactly one third of the women were blonde, what is the minimum possible number of clients that entered the shop yesterday?

  A) 5  

  B) 10  

  C) 15  

  D) 20  

  E) 30

6) Amazon.it had 140 thousand visits on Friday, including new and returning visitors. Statistics show that for 5 new visitors there were 3 returning visitors (ratio of 5:3). What was the difference between new visitors and returning visitors on Friday?

  A) 15 thousand  

  B) 25 thousand  

  C) 35 thousand  

  D) 55 thousand  

  E) 75 thousand

7) Amazon is negotiating with a carrier (SEUR) that will ship products from Amazon's wharehouse in Madrid to clients within the same city. SEUR charges Amazon per shipment based on the DISTANCE between Amazon's wharehouse to the client's address - €2 fixed for the first 2 kilometers and €0.5 per additional kilometer (measured by the meter, not by whole kilometers) for each delivery within a given city. 20% of clients live within 2 kilometers of Amazon’s wharehouse in Madrid - on average they live 1 km away. If all Amazon’s clients in Madrid live on average 4.5 kilometers away from Amazon's wharehouse, what is the estimated average shipping cost per delivery in Madrid, with SEUR? 

  A) €2.25  

  B) €2.5  

  C) €3.0  

  D) €3.35  

  E) €3.68

8) A supplier of Amazon increases the price of a Book “Cooking for Children”) by 30% from last year and Amazon has planned to acquire additional stock with total (cost) value of 10,5% higher than last year’s stock acquisition. , By what % should Amazon  reduce the quantity of “Cooking for Children” books that will buys,with regards to last year? 

  A) 19.5%

  B) 12%

  C) 8%

  D) 15%

  E) 6.66%

9) There are ONLY 3 brands of video consoles (A, B and C). In 2010 A and B together represented 50% of units sold. C sold 3 million more units than A. Also, C sold 2.5 times the same unitsby B. If all video consoles had the same price of €300, what was the total video console market value in 2010?

  A) €1.5 billion

  B) €3 billion

  C) €4.5 billion

  D) €6 billion

  E) €7.5 billion

10) Three years ago, a son was 25 years younger than his father. At present the father is 6 times as old as the son. How old will the son be three years from now?

  A) 5  

  B) 9  

  C) 1  

  D) 8  

  E) 11

11) Of the all employees that Amazon has in the UK, 1/3 are web developers. If the web developer staff were to be reduced by 1/3, what percent of the total number of the remaining employees would then be web developers?

  A) 33%

  B) 20%

  C) 25%

  D) 9%

  E) 66%

12) Social network AmazonLovers.com has just been launched. The daily evolution of number of visits follows a given algorithm. In the first five days, the number of visits evolves as detailed below. If the same algorithm continues to apply, what is the number of visits you would expect on day 6? 0…. 1….3....7….15….___

  A) 22

  B) 39

  C) 31

  D) 105

  E) 225

13) If Luxembourg has on average 30 minutes of sunlight less than Spain and Spain has on average 5/6 times the hours of sunshine of Morocco. Knowing that Morocco has 12 hours of sunshine per day, how many hours of Sunshine has Luxembourg?

  A) 8 hours and a half

  B) 9 hours and a half

  C) 10 hours

  D) 10 hours and a half

  E) 11 hours

14) A website sells only one model of shoes, with a acquisition cost of €18 for a pair of shoes. The site adds €9 on top of costs to determine the price at which to sell the shoes. What profit margin (as % of price) does the site obtain, assuming it has no additional costs?

  A) 33%

  B) 38%

  C) 45%

  D) 50%

  E) 66%

15) Greg was both 13th highest and 13th lowest in a chicken wing eating contest. How many people were in the contest?

Note: No participant was disqualified and all participants were ranked

  A) 29

  B) 24

  C) 26

  D) 25

  E) 27

16) The Mobile section of the Amazon website received 30 million unique visits in 2010. 16 million unique visitors bought handsets, 12 million bought accessories and 10 million only visited the site but did not buy. What percentage of unique visitors THAT BOUGHT HANDSETS also bought accessories in 2010? Note: In the Mobile section, no products other than handsets and accessories are sold. 

Note: You are asked to calculate the attachment ratio of accessories in handsets, which means the % of users that buy handsets and also buy an accessory

  A) 0%

  B) 12.5%

  C) 25.0%

  D) 50.0%

  E) 62.5%

17) At Fabio's ecommerce website, a TV is for sale for €50. Fabio decides to increase the price by 20% during Christmas. After Christmas, no unit of the product has been sold. Fabio decides to discount the price of the product by 15% from the price in Christmas. What is the current price of the product?

  A) 49

  B) 51

  C) 52.2

  D) 52.5

  E) 53

18) A truck going from Luxembourg to Madrid traveled the first 12 hours of his journey at 40 mph and the remaining 8 hours of his journey at 80 mph. What is his average speed for the entire journey?

  A) 60 mph

  B) 54 mph

  C) 53.33 mph

  D) 56 mph

  E) 66.67 mph

19) Peter can develop a web page in 12 hours, and Tim can develop the same web page in 8 hours. Peter starts alone the job at 9 a.m., and stops working at 3 p.m. still alone. If Tim, alone too, starts working at 4 p.m. to complete Peter’s job, at what time is the job finished?

  A) 6 p.m.

  B) 7 p.m.

  C) 8 p.m.

  D) 10 p.m.

  E) 12p.m.

20) A truck transporting 3D flat TVs from Luxembourg to Marseille is half full. The truck stops in Paris and adds another 9 TVs of the same model and now the truck has only 1/8 of capacity free. What is the capacity (in number of TVs) that the truck could carry?

  A) 24

  B) 26

  C) 27

  D) 30

  E) 32