Meet Ciklum at IT ARENA 2021
Test your logic and win an Xbox
Here is your chance to test the flexibility of your mind, show a little knowledge of Ciklum, and get a chance to win a Microsoft Xbox Series S 512 GB All-Digital Console.
About Ciklum
specialists on board
senior engineers
Ciklum is a global Digital Solutions Company for both Fortune 500 and fast-growing organisations around the world.

More than 4000 experts in 11 engineering hubs are creating disruptive digital platforms for a variety of industries: financial services, retail and consumer packaged goods, travel and hospitality, media and entertainment, high-tech and telecommunications, healthcare and life sciences.

Ciklum brings innovative ideas to life empowering collaboration with such clients as Just Eat, Mercedes Pay, EFG International, Zurich Insurance, and Lottoland.
monthly events for developers
Register here to win a Microsoft Xbox Series S Console!

We'll randomly choose a winner among the participants, who will give 7+ correct answers.

We accept your applications for giveaway until
Friday, October 8, 18:00. The result will be announced shortly on our Facebook page.
Question 1
John has 34 socks in his drawer: 12 identical blue, 8 identical black and 14 identical red. He’s completely in the dark. How many socks must he take out to be 100% sure he has at least one pair of black socks?
Question 2
How many delivery locations are at Ciklum?
Question 3
A+B>C+D and B+C>A+D, then it is definite that:
Question 4
There are three bags, each containing two marbles. Bag A contains two white marbles, Bag B contains two black marbles, and Bag C contains one white marble and one black marble. You pick a random bag and take out one marble, which is white. What is the probability that the remaining marble from the same bag is also white?
Question 5
How many offices does Ciklum have in Ukraine?
Question 6
What letter comes next in this sequence? O T T F F S S …
Question 7
There are 12 coins, of which 11 are real, and only 1 is fake. The fake coin differs from the real one in mass. What is the minimum number of weighings required to detect a fake coin? A pan scale is used for weighing
Question 8
With which Scandinavian country does Ciklum associate its origins?
Question 9
You’re at a fork in the road in which one direction leads to the City of Lies (where everyone always lies) and the other to the City of Truth (where everyone always tells the truth). There’s a person at the fork who lives in one of the cities, but you’re not sure which one. What question could you ask the person to find out which road leads to the City of Truth?
Question 10
When was Ciklum founded?
Question 11
If five cats can catch five mice in five minutes, how long will it take one cat to catch one mouse?
Question 12
Please indicate the company that is not a Ciklum’s customer (yet):
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