Flutter full quiz

what is the output of this code?

int x =5.2;

print(x);

• 5

• 5.2

• 5.0

• Error

var x = 14.9;

what is the type of variable x?

• int

• var

• double

• float

Fill the gaps.

___Declaring an integer

and printing it___

int x = 42;

print(x);

• //......//

• <..............>

• /*.....*/

• ?...........?

 

what is the output of this code?

const R = 3.1;

R=5;

print(R);

• Error

• 5

• 3.1

• null

which one print 10?

• int num =9;

  print ("the number is $num + 1");

• int num =9;

  print ("the number is ${num + 1}");

• int num =9;

  print ("the number is num +1")

• int num =9;

  print ("the number is " + (num +1));

 

var a ="4";

var b ="2";

print(a+b);

what is the output of this code?

• Error

• Null

• 42

• 6

 

Which operator is used to determine the remainder?

• /

• *

• -

• %

 

var a = 9;

var b = 5;

print("a>b");

what is the output of this code?

• true

• Error

• 9>5

• a>b

Type casting is when you assign a value of one data type to another type.

• true

• false

 

Which operator can be used to compare two values?

• ==

• =

• ?

• ??