kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
9.9 Word Problems on Time and Work - II



Directions: Solve the following problems. Also write at least 5 examples of your own.
Q 1: Two taps can fill a tub in 5min. and 7min. respectively. A pipe can empty it in 3min. If all the three are kept open simultaneously when will the tub be full.
100min.
110min.
95min.
105min.

Q 2: Tow taps can fill a tub in 10min. and 15min. respectively. A pipe can empty it in 8min. If all the three are kept open simultaneously when will the tub be full.
20min.
24min.
28min.
26min.

Q 3: Two taps can fill a tub in 24min. and 32min. separately. Another tap can empty the full tub in 16min. If they are opened together at the same time when will the tub be full.
96min.
46min.
100min.
86min.

Q 4: Micheal and Adam can do together a piece of work in 20 days. After they have worked together for 12 days Micheal stops and Adam completes the remaining work in 10 days. In how many days Micheal complete the work separately.
70days
80days
100days
90days

Q 5: Kate and Cathy can do a piece of work in 30days and 20days respectively. After Kate has worked alone for 5days Cathy join her, both of them complete the work. Find the number of days Kate and Cathy have worked together.
10days
7days
8days
6days

Q 6: Two taps can fill water tank in 9min. and 12min. respectively. In what time the tank will be full, if second tap starts working 2min. after first started working.
5min.
10min.
8min.
6min.

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer