
Ques:- The product of two numbers is 1320 and their HCF is 6. The LCM of the numbers is
A. 220
B. 1314
C. 1326
D. 7920
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