Questions

soundex()
The soundex() function calculates the soundex key of a string. A soundex key is a four character long alphanumeric string that represent English pronunciation of a word. he soundex() function can be used for spelling applications.
< ?php
$str = "hello";
echo soundex($str);
? >

metaphone()
The metaphone() function calculates the metaphone key of a string. A metaphone key represents how a string sounds if said by an English speaking person. The metaphone() function can be used for spelling applications.
< ?php
echo metaphone("world");
? >

Weight is mass x g. Since mass is constant and g is only 16thof that on the earth. The weight on the moon is only 16th of that on the earth. 

Therefore 2N i.e (b) is the answer.

Tips :

Integrity-being honest and believability and conviction- is one of concrete leadership abilities. The value and morals in personal behavior are the necessaries with an excellent leader and these values and morals need to be brought into organizational training and activities. A successful leader is the one who uses his/her conviction most efficiently. Leaders do not loose confidences or expose potentially dangerous information if they are close with their employees and they are the honest symbols.

Structural Testing is the other name for White Box Techniques.

  Zero. You are selecting names from the list, so they are all listed.