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This page contains the most recently asked technical questions and answers in the Coc.

All of the questions listed below were collected by students recently placed at Coc.

**Ques:- Monday falls on 20th March, 1995. What was the day of 3rd November, 1994?**

**Ques:- Every rational number is also**

**Recent Answer**: :

A whole number

**Ques:- There are 3 baskets. one of them have apples, one has oranges only and the other has mixture of apples and oranges. The labels on their baskets always lie. (i.e. if the label says oranges, you are sure that it doesn’t have oranges only,it could be a mixture) The task is to pick one basket and pick only one fruit from it and then correctly label all the three baskets.**

**Recent Answer**: :

Take one fruit from box with label mixture. If we see

orange, because the basket lies (it cant have a mixture),

then it has only oranges. The other 2 are labeled apples and

oranges. The one labeled apples,

cannot have oranges inside, cos they are allready been

identified, and because it lies, it cannot have apples either.

So it has a mixture. And we are left with the one labeled

oranges that lies and has apples.

**Ques:- A company rented a machine for Rs.700/- a month. Five years later the treasurer calculated that if the company had purchased the machine and paid Rs.100/- monthly maintenance charge, the company would have saved Rs.2000/-. What was the purchase price of the machine?**

**Recent Answer**: :

34000

**Ques:- If A,B,C,D,E are 5 members of a family. 4 of them speak truth: 1. E is my mother in law 2. C is my son in law's brother 3. B is my father's brother 4. A is my brother's wife Who speaks false? and what r the relations among them…**

**Ques:- In a factory, 'a' men work 'b' hours a day and produce 'c' articles each day. If 'd' men are released, how many hours a day will the remaining men have to work to produce 'c' articles each day? 1]ab/d 2]ab/b 3]a-d/b 4]ab/a-d**

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**Ques:- There are 9 coins. 8 of them are of 1 gm and 1 is of 2 grams. Find out the heavier coin in minimum number of weighing and how many weighing you need?**

**Ques:- A computer printer produces 176400 lines in a given day. If the printer is in operation for 7 hrs during the day how many lines did it print per minute?**

**Recent Answer**: :

I think speed of printing per minute has nothing do to with how long printer being at work.

If “given day” = 8 hours.

8h = 480m

x = 176400 / 480 = 367.5 lines per minute.

**Ques:- Who is Amicus Curiae?**

**Ques:- The legendary king Midas possessed a huge amount of gold. He hid this treasure carefully: in a building consisting of a number of rooms. In each room there were a number of boxes; this number was equal to the number of rooms in the building. Each box contained a number of golden coins that equaled the number of boxes per room. When the king died, one box was given to the royal barber. The remainder of the coins had to be divided fairly between his six sons. Is a fair division possible in all situations?**

**Ques:- What are some of the things on your job you feel you have done particularly well or in which you have achieved the greatest success? Why do you feel this way?**

**Ques:- Do you consider yourself to be thoughtful, analytical or do you usually make up your mind fast? Give an example. (Watch time taken to respond)**

**Ques:- Can you change your location?**

**Ques:- A man bought 20 shares of Rs. 50 at a discount of 5, the rate of dividend being 13. The rate of interest obtained is?**

**Recent Answer**: :

15%

**Ques:- Introduce yourself with family and educational background**

**Ques:- A cube of 3x3x3 is painted from all the 6 faces. If I cut the cube in 27 equal cubes of 1x1x1 then how many cubes will be painted on exactly 2 faces?**

**Recent Answer**: :

A 1×1 cube in the middle of an edge of the 3×3 cube will

have two faces painted. A cube has 12 edges, so the answer

is 12.

**Ques:- X, Y and Z enter into partnership. X invests some money at the beginning, Y invests double the amount after 6 months, and Z invests thrice the amount after 8 months. If the annual gain be Rs.18000. X’s share is?**

**Recent Answer**: :

600

**Ques:- Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is -.**

**Recent Answer**: :

Let A, B and C be the three 6-faced dice.

Then, according to the question,

Since two dices has to be equal, that value can be any of the 6 faces, i.e., 6C1 cases.

Now for each case, 2 equal dices can be selected from 3 dices in 3C2 i.e., 3 ways.

And for each of the above, the third dice can have any of the 5 remaining faces

The possible outcomes are P(A)=61,P(B)=61,P(C)=65,P(A)=61,P(B)=65,P(C)=61 and P(A)=65,P(B)=61,P(C)=61

Hence the required probability = 61×61×65×6×3=21690=125

**Ques:- If a man can cover 12 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?**

**Recent Answer**: :

3hour 45 min = 13500 sec

In 1 sec he covers = 12 m

In 13500 sec he covers = 12×13500 m = (12×13500)/1000 km = 162 km

Ans : 162 km

**Ques:- The post office is to the east of the school while my house is to the south of the school. The market is to the north of the post office. If the distance of the market from the post office is equal to the distance of my house from the school, in which direction is the market with respect to my school?**

**Recent Answer**: :

North-east

Recent Answer: Added by Anand On 2022-05-17 09:08:12:sunday