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Tech Mahindra Interview Questions
Questions Answers Views Company eMail

If age of Raju is 20% less than Sanju,then age of Sanju is how many % more than Raju

2 2083

What are possible key words, we can use to declare a class?

2 1810

Carnot cycle

2 2851

How does final modifier work?

1 1834

i have multiple .csv files in a unix directory. every file is having variable names as header.even for empty file also. suppose take 3 files a.csv b.csv c.csv a.csv contains data as name;age,salary; raja;34;4000; ravi;33;5000; kumar;25;3000; b.csv contains data as name;age,salary; ajay;40;4500; and c.csv contains name;age,salary; (only headers) Now i want to import and append all these files in to a single dataset. i tried infile statement with *.csv to import all at a time. but i m not getting correct data. please help me . its urgent. thank you in advance

2 2130





i have some csv files in a directory which have sub-directories also. now how can i merge all .csv files in to one with a single header. for example: have some 4 files. 1.csv--------name,age,sal abc,25,4000 2.csv--------name,age,sal vgd,32,3500 3.csv--------name,age,sal hfg,20,5000 4.csv--------name,age,sal asd,15,2000 now my output file should be like 5.csv----------name,age,sal abc,25,4000 vgd,32,3500 hfg,20,5000 asd,15,2000 and please explain the code for me. as i am new to scripting. thank you in advance

994

what is stacked chart , Bar chart, Column chart?

1 1697

What is the more accurate formula to convert wet concrete to dry aggregate instead of the 54% method?

1005

Why neutral cable carry current.

945

what is system testing? explain with an example.

1 2067

What is Test Design ?( Urgent) and Test Design for Printer?

974

What is good customer service and give me an example?

1042

if i have a query as flat file how can we load data to target table

483

How. To pass the entrance test

1 873

C language questions for civil engineering

591

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Tech Mahindra Interview Questions





Un-Answered Questions

How can the attributes of one sms dataset be copied to another dataset?

91


How do we create rdds in spark?

163


What is the role of encryption in blockchain?

1


Explain the main chemical compounds that destroy the ozone layer?

9


What are the control transfer statements that are used in ios swift?

48






State the different levels of exceptional safety?

72


What is the Current Stable Version of React?

5


How to create an multi-statement table-valued function?

75


Are enums static c#?

42


How many types of losses occur in a transformer?

83


What is a dimensional model?

73


Define brand?

1


When are intermolecular forces the strongest?

73


What is an os command?

47


what are the artifacts maintained for resource planing and management

2025