Ques:- If the first day of the year 1991 was Tuesday. What day of the week must have been on 1st January, 1998?
A. Tuesday
B. Wednesday
C. Thursday
D. Friday
Ques:- What is the minimum number of four digits formed by using the digit 2, 3, 0, 7?
A. 2047
B. 2247
C. 2407
D. 2470