ZE xl -y! (x - y)! Q10: Write a C++ program, using function, to test the year if it's a leap or not. Note: use y % 4 == 0 && y % 100 != 0 :: 7 % 400 ==0 Qil: Write a C++ program, using function, to find X x Note: use pow instruction with math.h library. Q12: Write C++ program, using function, to inverse an integer number: For example: 765432 234567 Q13: Write C++ program, using function, to find the summation of student's marks, and it's average, assume the student have 8 marks. Q14: Write C++ program, using function, to convert any char. From capital to small or from small to capital. Q15: Write C++ program using recursive function to find the power of n numbers