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You can also find related Interview Question to How to select the top n numbers from an IList using lambda expressions?  below:

### How to get the sum of last 3 items in a list using Lambda Expressions?

Use

int sum = list.Reverse().Take(3).Sum(); (More...)

### What is lambda expressions

A lambda expression is an unnamed method written in place of delegate instance.It has th following form

(Parameter => expression or state,ent block.
eg: y=>x*x;
(More...)

### How to find the index of element using Where() with Lambda Expressions?

Use the two argumented Lambda method

Where((i, ix) => i == ix); (More...)

### What is the method to convert one type to another using Lambda expressions?

Select() method (More...)

### What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?

Polish and Reverse Polish notations. (More...)

### Select Syntax

SELECT "COLUMN_NAME" FROM "TABLE_NAME" (More...)

### Write and justify output of - select nullif('test','test')

The output will be - NULL
Justification : nullif returns NULl if given two arguments are same else returns the first specified argument. So, for the given SQL, output will be NULL. (More...)

### What will be the OutPut of the following Query? Select CELING(7.69) as number

OutPut:8 (More...)

### select COUNT(column_name) from table_name counts only

NON NULL Columns (More...)

### What is the namespace used for regular expressions?

System.Text.RegularExpressions namespace (More...)

### If all the 6 are replaced by 9, then the algebraic sum of all the numbers from 1 to 100(both inclusive) varies by a> 310b> 330c> 350d> 345

Ans : b> 330 (More...)

### Difference between Set and Select keyword in sql server?

Set:

1.Set is a ANSI standard for variable assignment.
2.We can assign only one variable at a time
3.When assigning from a query that returns more than one value, SET will fail with an error.

Select:

1.Select is a Non-ANSI standard when assigning variables.
2.We can assign multiple variable at a time
3.When assigning from a query that returns more than one value, SELECT will assign the last value returned by the query and hide the fact that the query returned (More...)

### In Analysis service what is the technology used define the expressions?

Multidimensional Expressions also abbrevated as MDX (More...)

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