C Programming
Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?

rem = fmod(3.14, 2.1);
rem = 3.14 % 2.1;
Remainder cannot be obtain in floating point division.
rem = modf(3.14, 2.1);

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C Programming
String concatenation means -

Extracting a substring out of a string.
Comparing the two strings to define the larger one.
Combining two strings.
Merging two strings.
Partitioning the string into two strings.

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