Ques:- How should a profit of Rs.450 be divided between two partners, one of whom has contributed Rs.1200 for 5 months and the other Rs.750 for 4 months?
A. 1 : 1
B. 1 : 2
C. 1 : 3
D. 2 : 1
Ques:- About the number of pairs which have 16 as their HCF and 136 as their LCM, we can definitely say that
A. Only one such pair exists
B. No such pair exists
C. Only two such pairs exist
D. Many such pairs exist
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