Question
1.a program in C++ to find the first 10 natural numbers. .. Sample output: The natural numbers are: 1 2 3 4 5 6 7
1.a program in C++ to find the first 10 natural numbers. ..
Sample output:
The natural numbers are:
1 2 3 4 5 6 7 8 9 10
Next.
2.a program in C++ to find the sum of first 10 natural numbers. ..
Sample Output:
Find the first 10 natural numbers:
---------------------------------------
The natural numbers are:
1 2 3 4 5 6 7 8 9 10
The sum of first 10 natural numbers: 55
Next.
3.a program in C++ to display n terms of natural number and their sum. ..
Sample Output:
Input a number of terms: 7
The natural numbers upto 7th terms are:
1 2 3 4 5 6 7
The sum of the natural numbers is: 28
Next.
4.a program in C++ to find the perfect numbers between 1 and 500. ..
The perfect numbers between 1 to 500 are:
6
28
496
Next.
5.a program in C++ to check whether a number is prime or not. ..
Sample Output:
Input a number to check prime or not: 13
The entered number is a prime number.
Next.
6.a program in C++ to find prime number within a range. ..
Input number for starting range: 1
Input number for ending range: 100
The prime numbers between 1 and 100 are:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
The total number of prime numbers between 1 to 100 is: 25
Next.
7.a program in C++ to find the factorial of a number. ..
Sample output:
Input a number to find the factorial: 5
The factorial of the given number is: 120
Next.
8.a program in C++ to find the last prime number occur before the entered number. ..
Sample Output:
Input a number to find the last prime number occurs before the number: 50
47 is the last prime number before 50
Next.
9.a program in C++ to find the Greatest Common Divisor (GCD) of two numbers. ..
Sample Output:
Input the first number: 25
Input the second number: 15
The Greatest Common Divisor is: 5
Next.
10.a program in C++ to find the sum of digits of a given number. ..
Sample Output:
Input a number: 1234
The sum of digits of 1234 is: 10
Next.
11.a program in C++ to find the sum of the series 1 + 1/2^2 + 1/3^3 + ..+ 1/n^n. ..
Sample Output:
Input the value for nth term: 5
1/1^1 = 1
1/2^2 = 0.25
1/3^3 = 0.037037
1/4^4 = 0.00390625
1/5^5 = 0.00032
The sum of the above series is: 1.29126
Next.
12.a program in C++ to calculate the sum of the series (1*1) + (2*2) + (3*3) + (4*4) + (5*5) + ... + (n*n). ..
Sample Output:
Input the value for nth term: 5
1*1 = 1
2*2 = 4
3*3 = 9
4*4 = 16
5*5 = 25
The sum of the above series is: 55
Next.
13.a program in C++ to calculate the series (1) + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n). ..
Sample Output:
Input the value for nth term: 5
1 = 1
1+2 = 3
1+2+3 = 6
1+2+3+4 = 10
1+2+3+4+5 = 15
The sum of the above series is: 35
Next.
14.a program in C++ to find the sum of series 1 - X^2/2! + X^4/4!-.... upto nth term. ..
Sample Output:
Input the value of X: 3
Input the value for nth term: 4
term 1 value is: 1
term 2 value is: -4.5
term 3 value is: 3.375
term 4 value is: -1.0125
The sum of the above series is: -1.1375
Next.
15.a program in C++ to asked user to input positive integers to process count, maximum, minimum, and average or terminate the process with -1. ..
Sample Output:
Your input is for termination. Here is the result below:
Number of positive integers is: 4
The maximum value is: 9
The minimum value is: 3
The average is 6.00
Next.
16.a program in C++ to list non-prime numbers from 1 to an upperbound. ..
Sample Output:
Input the upperlimit: 25
The non-prime numbers are:
4 6 8 9 10 12 14 15 16 18 20 21 22 24 25
Next.
17.a program in C++ to print a square pattern with # character. ..
Sample Output:
Print a pattern like square with # character:
--------------------------------------------------
Input the number of characters for a side: 4
# # # #
# # # #
# # # #
# # # #
Next.
18.a program in C++ to display the cube of the number upto given an integer. ..
Sample Output:
Input the number of terms : 5
Number is : 1 and the cube of 1 is: 1
Number is : 2 and the cube of 2 is: 8
Number is : 3 and the cube of 3 is: 27
Number is : 4 and the cube of 4 is: 64
Number is : 5 and the cube of 5 is: 125
Next.
19.a program in C++ to display the multiplication table vertically from 1 to n. ..
Sample Output:
Input the number upto: 5
Multiplication table from 1 to 5
1x1=1 2x1=2 3x1=3 4x1=4 5x1=5
1x2=2 2x2=4 3x2=6 4x2=8 5x2=10
1x3=3 2x3=6 3x3=9 4x3=12 5x3=15
1x4=4 2x4=8 3x4=12 4x4=16 5x4=20
1x5=5 2x5=10 3x5=15 4x5=20 5x5=25
1x6=6 2x6=12 3x6=18 4x6=24 5x6=30
1x7=7 2x7=14 3x7=21 4x7=28 5x7=35
1x8=8 2x8=16 3x8=24 4x8=32 5x8=40
1x9=9 2x9=18 3x9=27 4x9=36 5x9=45
1x10=10 2x10=20 3x10=30 4x10=40 5x10=50
Next.
20.a program in C++ to display the n terms of odd natural number and their sum. ..
Sample Output:
Input number of terms: 5
The odd numbers are: 1 3 5 7 9
The Sum of odd Natural Numbers upto 5 terms: 25
Next.
21.a program in C++ to display the n terms of even natural number and their sum. ..
Sample Output:
Input number of terms: 5
The even numbers are: 2 4 6 8 10
The Sum of even Natural Numbers upto 5 terms: 30
Next.
22.a program in C++ to display the n terms of harmonic series and their sum. ..
1 + 1/2 + 1/3 + 1/4 + 1/5 ... 1/n terms
Sample Output:
Input number of terms: 5
1/1 + 1/2 + 1/3 + 1/4 + 1/5
The sum of the series upto 5 terms: 2.28333
Next.
23.a program in C++ to display the sum of the series [ 9 + 99 + 999 + 9999 ...]. ..
Sample Output:
Input number of terms: 5
9 99 999 9999 99999
The sum of the sarise = 111105
Next.
24.a program in C++ to display the sum of the series [ 1+x+x^2/2!+x^3/3!+....]. ..
Sample Output:
Input the value of x: 3
Input number of terms: 5
The sum is : 16.375
Next.
25.a program in C++ to find the sum of the series [ x - x^3 + x^5 + ......]. ..
Sample Output:
Input the value of x: 2
Input number of terms: 5
The values of series:
2
-8
32
-128
512
The sum of the series upto 5 term is: 410
Next.
26.a program in C++ to find the sum of the series 1 +11 + 111 + 1111 + .. n terms. ..
Sample Output:
Input number of terms: 5
1 + 11 + 111 + 1111 + 11111
The sum of the series is: 12345
Next.
27.a program in C++ to display the first n terms of Fibonacci series.
Sample Output:
Input number of terms to display: 10
Here is the Fibonacci series upto to 10 terms:
0 1 1 2 3 5 8 13 21 34
28.a program in C++ to find the number and sum of all integer between 100 and 200 which are divisible by 9.
Sample Output:
Numbers between 100 and 200, divisible by 9:
108 117 126 135 144 153 162 171 180 189 198
The sum : 1683
29.a program in C++ to find LCM of any two numbers using HCF.
Sample Output:
Input 1st number for LCM: 15
Input 2nd number for LCM: 25
The LCM of 15 and 25 is: 75
30.a program in C++ to display the number in reverse order. ..
Sample Output:
Input a number: 12345
The number in reverse order is : 54321
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