60 student because there are 12 student each group, so 60 student will make 5 group.
Answer:
15
Step-by-step explanation:
HCF=Product of the powers of smallest prime number
HCF=5*3
HCF=15
Answer:
3 years
Step-by-step explanation:
A=P( 1+rt)
A= Total amount
P= Principal
r = yearly interest
t= time in year
672=600(1+0.04t). Distribute
672=600+600x0.04t
72= 24t
t= 3 years
It's 169.6mm in total so that closer to H
170mm