Science (English Medium) Class 11 - CBSE Question Bank Solutions

Give the output of the following when num1 = 4, num2 = 3, num3 = 2.

num1 += num2 + num3
print (num1)

Give the output of the following when num1 = 4, num2 = 3, num3 = 2.

num1 = num1 ** (num2 + num3)
print (num1)

Give the output of the following when num1 = 4, num2 = 3, num3 = 2.

num1 **= num2 + num3

Give the output of the following when num1 = 4, num2 = 3, num3 = 2.

num1 = '5' + '5'
print(num1)

Give the output of the following when num1 = 4, num2 = 3, num3 = 2.

print(4.00 / (2.0 + 2.0))

What will be the output of the following code segment:

myList = [1,2,3,4,5,6,7,8,9,10]
 del myList[3:]
 print(myList)

What will be the output of the following code segment:

myList = [1,2,3,4,5,6,7,8,9,10]
 del myList[:5]
 print(myList)

What will be the output of the following code segment:

myList = [1,2,3,4,5,6,7,8,9,10]
 del myList[::2]
 print(myList)

The record of a student (Name, Roll No., Marks in five subjects and percentage of marks) is stored in the following list: stRecord = ['Raman', 'A-36', [56, 98, 99, 72, 69], 78.8]

Write Python statements to retrieve the following information from the list stRecord.

1. Percentage of the student
2. Marks in the fifth subject
3. Maximum marks of the student
4. Roll no. of the student
5. Change the name of the student from ‘Raman’ to ‘Raghav’.

Write a program to read elements of a list.

The program should ask for the position of the element to be deleted from the list. Write a function to delete the element at the desired position in the list.

Write a program to read elements of a list.

The program should ask for the value of the element to be deleted from the list. Write a function to delete the element of this value from the list.

Sumit got good marks in all the subjects. His father gifted him a laptop. He would like to make Sumit aware of health hazards associated with the inappropriate and excessive use of laptops. Help his father to list the points which he should discuss with Sumit.

Try the following conversion.

(220)₈ = (?)₂

Try the following conversion.

(11001010)₂ = (?)₁₀

Try the following conversion.

(1010111)₂ = (?)₁₀

Write a binary representation of the following hexadecimal number.

4026

Write a binary representation of the following hexadecimal number.

BCA1

Write a binary representation of the following hexadecimal number.

98E

Write a binary representation of the following hexadecimal number.

132.45

Presume that a ladder is put upright against a wall. Let variables length and angle store the length of the ladder and the angle that it forms with the ground as it leans against the wall. Write a Python program to compute the height reached by the ladder on the wall for the following values of length and angle:

1. 16 feet and 75 degrees
2. 20 feet and 0 degrees
3. 24 feet and 45 degrees
4. 24 feet and 80 degrees