NPAV (Net Protector Antivirus) Interview Experience | On-Campus 2021

NPAV (Net Protector Antivirus) Interview Experience | On-Campus 2021
NPAV generally conducts on-campus pen and paper tests as the first round. All questions were to be solved using C/C++ only. The total time allotted was 1 hr.
Following were the questions asked:

Given an input number, print the smallest digit (10marks)
E.g. 
Input: 519
Output: 1

Print the given number into words(10 marks)

Take 16 digit input from the user and print: 

Sum of first and last digit in the sequence

Multiplication of every 2nd and 3rd digit in the sequence (10marks)
E.g.
Input: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Sum = 5 (1+4), Multiplication = 6 (2*3)
Sum = 13, Multiplication = 42
Sum = 21, Multiplication = 110
Sum = 29, Multiplication = 210

Take input from the user as name and birthplace and output is as follows: (10marks)
Input:  
Name
Birthplace
Sunil
Mumbai
Anil
Pune
Asha
Ahmednagar
Rohan
Pune
Rohit
Mumbai
Rajesh
Pune
Output: 
Birthplace
Count
Name
Mumbai 
2
Sunil
Rohit
 
Pune 
3
Anil
Rohan
Rajesh
Ahmednagar 
1
Asha
 
 

Given the marks for 10 students for Physics, Chemistry, and Mathematics, calculate the average and find the second highest and the second-lowest average score (10marks)
Input: 
 
Physics
Chemistry
Maths
Average
Student1
89
85
91
88
Student2
45
56
80
60
Student3
80
95
68
81
Student4
72
81
65
72
Student5
63
65
75
67
Student6
72
82
92
82
Student7
36
75
56
55
Student8
66
76
56
66
Student9
90
89
91
90
Student10
88
86
81
85
Output: 
2nd highest average = 88
2nd lowest average = 60