ICSE Computer Application - Class X - 2018 PYQ

\[ \frac{\sqrt{3x + x^2}}{a + b} \]

What is the value of y after evaluating the expression given below?

y+= ++y + y-- + --y; when int y=8

Give the output of the following:

1. Math.floor (-4.7)
2. Math.ceil(3.4) + Math.pow(2, 3)

Write the output for the following:

System.out.println("Incredible"+"\n"+"world");

if( var==1)
    System.out.println("good");
else if(var==2)
    System.out.println("better");
else if(var==3)
    System.out.println("best");
else
    System.out.println("invalid");

Give the output of the following string functions:

1. "ACHIEVEMENT".replace('E', 'A')
2. "DEDICATE".compareTo("DEVOTE")

String arr[]= {"DELHI", "CHENNAI", "MUMBAI", "LUCKNOW", "JAIPUR"};
System.out.println(arr[0].length() > arr[3].length());
System.out.print(arr[4].substring(0,3));

if (bill > 10000 )
discount = bill * 10.0/100;
else
discount = bill * 5.0/100;

Write the return data type of the following function.

1. endsWith()
2. log()

lassify the following as primitive or non-primitive datatypes:

1. char
2. arrays
3. int
4. classes

(a) (i) int res = 'A';
What is the value of res?

System.out.print("BEST ");
     System.out.println("OF LUCK");

Choose the correct option for the output of the above statements

1. BEST OF LUCK
2. BEST
   OF LUCK

int i;
for ( i = 5 ; i > 10; i ++ )
System.out.println( i );
System.out.println( i * 4 );