1. If 20 bakers can bake 40 cakes in 8 hrs, how many bakers can bake 10 cakes in 2 hours? a.20 b.10 c. 30 d.40 2. Ten years ago, Boyet was three times as old as Joy. Now he is 10 more than twice as old as Joy. Find their present ages. a. 40 and 20 b.30 and 70 c.20 and 40 d.20 and 60 3. A and B working together can complete a job in 30 hrs. A works twice as fast as B. How many days would it take A working alone to complete the job? a.45 hrs b.20 hrs c.15hrs d.8 hrs 4. The tens digit of a certain two digit number is 1/3 of the units digit. When the digits are reversed, the new number exceeds twice the original number by one more than the sum of the digits. Find the original number. a.26 b.39 c.13 d.28 5. In a purse are nickels, dimes and quarters amounting to $9.85. There are twice as many dimes as quarters, and the number of nickels is two more than twice and the number of dimes. Determine the number of nickels. a.16 b.34 c.54 d.62 6. A and B working together can complete a job in 30 hrs. A works twice as fast as B. How many days would it take A working alone to complete the job? a.45 hrs b.20 hrs c.15hrs d.8 hrs