Ecolab institutional Interview Questions Answers, HR Interview Questions, Ecolab institutional Aptitude Test Questions, Ecolab institutional Campus Placements Exam Questions

20 common asked question in every interview

Ques:- An article is bought for Rs.675 and sold for Rs.900, find the gain percent?

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Ques:- In a row of trees, one tree is fifth from either end of the row. How many trees are there in the row?

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Ques:- 121 : 169 :: 361 : __

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Ques:- What do you consider to be your greatest achievements to date? Why?

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Ques:- Regarding business profile

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Ques:- Why am I not using a vodafone no. when I am about to join vodafone?

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Ques:- Within the limits of your experience to-date, what has given you the greatest sense of accomplishment and why?

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Ques:- A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 26 sec. What is the length of the goods train?

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Ques:- I AM SKILLFULL TO HANDLED THIS WORK VERY EFFECTIVELY

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Ques:- A pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 28 minutes. When both pipes are opened, find when the cistern will be full?

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Ques:- Personal background & qualification.

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Ques:- What is your dream company?

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Ques:- You have 5 jars of pills. Each pill weighs 10 gram, exceptfor contaminated pills contained in one jar, where each pillweighs 9 gm. Given a scale, how could you tell which jar hadthe contaminated pills in just one measurement?

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Ques:- Draw single line diagram of substation, explain how vfd works?

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Ques:- There are five thieves, each loot a bakery one after the other such that the first one takes 1/2 of the total no. of the breads plus 1/2 of a bread. Similarly 2nd, 3rd,4th and 5th also did the same. After the fifth one no. of breads remained are 3. Initially how many breads were there?

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Ques:- Evaluate the sum of all even integers between 99 and 301?

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Ques:- There are three people A, B, C. Liars are of same type and Truth speaking people are of same type. Find out who is speaking truth and who is speaking false from the following statements:

A. A says: B is a liar.

B. B says: A and C are of same type.

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Ques:- A and B do a work with 5 days, A and C in 6 days, B and C in 20 days.If A do alone how many days it will take?

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Ques:- A, B and C contract a work for Rs. 550. Together A and B aresupposed to do 7/11th of the work. How much does C get?

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Ques:- Why you changed your sector FMCG to Telecom?

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Ques:- Two trains of length 100 m and 200 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 72 kmph. After how much time will the trains meet?

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Ques:- Would you like to work overtime or odd hours?

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Ques:- Two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post. If the length of each train be 120 m, in what time will they cross other travelling in opposite direction?

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Ques:- A computer printer produced 176,400 lines in a given day. If the printer was in operation for seven hours during the day, how many lines did it print per minute?

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Ques:- Tis known in refined company, that choosing K things out of N can be done in ways as many as choosing N minus K from N: I pick K, you the remaining. This simply states the binomial coefficient identity . Find though a cooler bijection, where you show a knack uncanny, of making your choices contain all K of mine.For pedantry let K be no more than half N.

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Ques:- The last time you did not know what decision to make, what did you do?

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Ques:- Evaluate x for the equation : 19(x + y) + 17 = 19(-x + y) – 21

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Ques:- There is a frog who can make jumps of length 3,5,7. There are stones in a river at distances a1, a2 an. The other end of the stream is n distance away. Can the frog cross the stream. What if the frog can make jumps backwards ?

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Ques:- What do you mean by sensex and nifty?

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Ques:- A computer store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale, what would be the lowest possible price of a part costing $16 before any discount?

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