e. 103
c. 46
8. 42
1. Write the square of all the natural numbers
between 20 and 30.
2. Find the square of each of the following numbers
without actual multiplication.
a. 76 b. 39 c. 35
c. 35 d. 94
3. Write the ones digit in the square of each of the
following numbers.
a. 13
b. 27
d. 20 e. 75
f. 31
h. 64 i. 38 j. 79
4. How many non-square numbers are there
between the following numbers?
a. 142 and 152 b. 1022 and 1032
c. 4152 and 4162 d. 272 and 282
e. 2252 and 2262
5. Express the following as the sum of consecutive
odd numbers.
b. 122
d. 152 e. 182
6. Find the square of the following numbers.
b. 126
d. 67
7. Which of these are Pythagorean triplets?
a. 5, 10, 12 b. 24, 20, 26 c. 5, 12, 13
d. 20, 21, 29
e. 10, 24, 26
8. Find a Pythagorean tripler whose greatest
member is 17.
9. Find a Pythagorean triplet whose smallest
member is 22.
10. Find a Pythagorean triplet whose one member
is 323.
11. Observe the following pattern and find the
missing numbers.
42 = 16
342 1156
3342 111556
33342
a. 102
c. 132
333342
a. 35
c. 128
3333342
e. 48
Answers
Answer:
This program calculates the grade of a student based on the marks entered by user in each subject. Program prints the grade based on this logic.
This program calculates the grade of a student based on the marks entered by user in each subject. Program prints the grade based on this logic.If the average of marks is >= 80 then prints Grade ‘A’
This program calculates the grade of a student based on the marks entered by user in each subject. Program prints the grade based on this logic.If the average of marks is >= 80 then prints Grade ‘A’If the average is <80 and >=60 then prints Grade ‘B’
This program calculates the grade of a student based on the marks entered by user in each subject. Program prints the grade based on this logic.If the average of marks is >= 80 then prints Grade ‘A’If the average is <80 and >=60 then prints Grade ‘B’If the average is <60 and >=40 then prints Grade ‘C’
This program calculates the grade of a student based on the marks entered by user in each subject. Program prints the grade based on this logic.If the average of marks is >= 80 then prints Grade ‘A’If the average is <80 and >=60 then prints Grade ‘B’If the average is <60 and >=40 then prints Grade ‘C’else prints Grade ‘D’