Ques:- The smallest number of 5 digit beginning with 3 and ending with 5 will be
A. 31005
B. 30015
C. 30005
D. 30025
Ques:- The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1. What is the age of the new student?
A. 5 years
B. 6 years
C. 7 years
D. 9 years