12. For every tree cut down 3 trees are planted. How many trees will be planted if there are trees cut down?
a.) 12
B.)14
c) 15
d.) 18
13. If eight men can do a certain job in 12 days, how many men will required to do the same job in 16 days?
a.) 4
b.) 5
C.) 6
d.) 18
14. For every 5 generous people there are 20 who need help. IF15 generous people will help, how many will get their help?
a.) 55
b.) 50
C) 65
d.) 70
15. Three numbers are in the ratio of 1:47. Find the number if their sum is 275.
a) 161
b.) 23
c.) 92
d.) 54​