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Flutter_Q1 G4

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

Var x = 9 as double; print (x);

What is the output of this code?

a)

9

b)

Error

c)

x

d)

9.0

2.

Var x = 9.0 as double; print (x);

What is the output of this code?

a)

9

b)

9.0

c)

Error

d)

x

3.

var a = 9;

a++;

++a;

print(a--);

what is the output?

a)

9

b)

10

c)

11

d)

8

4.

what is the output of this code?

var name="ali";

var out = name??"ahmed";

print(out);

a)

ali

b)

ahmed

c)

name

d)

No Output

5.

what is the output of this code?

var a =15;

var b = 12;

a>b ? print(b):print(a);

a)

a

b)

b

c)

12

d)

15

e)

Error

6.

How do you start writing an if statement ?

a)

if x>y {

b)

if x > y then:

c)

if x > y:

d)

if (x > y)

7.

what is the alternative of x=x+5?

a)

x=+5;

b)

x=y+5;

c)

5=+x;

d)

x+=5;

8.

var i=9;

print(i.toDouble);

print(i);

what is the output of this code?

a)

9

9.0

b)

9.0

9.0

c)

9.0

9

d)

No Output