Ques:- Which one of the following is the number by which the product of 8 consecutive integers is divisible?
A. 4!
B. 6!
C. 7!
D. 8!
E. All of these
Ques:- The sum of the greatest and smallest number of five digits is
A. 10,999
B. 109,999
C. 11,110
D. 111,110
Ques:- Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?
A. 8 hrs
B. 7 1/2 hrs
C. 7 hrs
D. 9 hrs