Direct, Inverse and Partitive Proportion

Andrew can solve 30 word problems in 18 min. At the same rate, how long will it take him to solve 45 word problems?

• 21 min

• 27 min

• 32 min

• 45 min

12 workers can complete the paintings in the facade of the new building in 5 days. If the painting would request for the job to be done within 3 days time only, how many workers must be hired to do the work?

• 10 workers

• 15 workers

• 18 workers

• 20 workers

Team A composed of the leader, assistant leader and secretary won the contest with a prize of PHP 1500.00. If the prize will be divided in the ratio 5:3:2, how much will the secretary receive?

• PHP 750.00

• PHP 450.00

• PHP 300.00

• PHP 150

A photocopy machine can print 600 copies in 12 min. t the same rate, how long can 1000 copies be printed?

• 24 min

• 22 min

• 20 min

• 14 min

A photocopy machine can print 600 copies in 12 min. t the same rate, how long can 1000 copies be printed?

• 24 min

• 22 min

• 20 min

• 14 min

The construction of the bridge can be completed by 18 workers in 12 days. If there are 6 more workers to be added, how long will the job be completed?

• 36 days

• 24 days

• 15 days

• 9 days