Ques:- The H.C.F. of two numbers is 8. Which one of the following can never be their L.C.M.?
A. 24
B. 48
C. 56
D. 60
Ques:- Find the ratio in which rice at 7.20 a kg be mixed with rice at 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
A. 1 : 3
B. 2 : 3
C. 3 : 4
D. 4 : 5