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

MEAP Preparation - Grade 7 Mathematics
2.16 Direct Variation or Direct Proportion


Directions: Answer the following questions. Also write at least ten examples of your own.
Q 1: The pressure P exerted at any point on the base of a tank filled with liquid varies directly as the depth D of the liquid. The pressure exerted by the liquid 25 cms deep on the base of the tank is 10 g/sq. cm. What will be the pressure when the depth is
18 g/sq. cm
20 g/sq. cm
16 g/sq. cm

Q 2: The numbers x and y are directly proportional and x=9 when y=3. Find x when y=8; and find y when x=42.
14 and 24 respectively
25 and 15 respectively
24 and 14 respectively

Q 3: The numbers r and s vary directly and the constant of variation is 3/5. Find r if s=45; and find s if r =33.
55 and 27 respectively
50 and 25 respectively
27 and 55 respectively

Q 4: One evening the length of the shadow of a building's pillar of height 28 m is 42 m. What will be the length of the shadow of the building's tower of height 36 m at that time?
54 m
45 m
50 m

Q 5: A motor bike travels 225 km with 5 liters of gas. How many liters of gas are needed to travel 135 km?
4 liters
3 liters
3.5 liters

Q 6: The weight E of a man on earth's surface is directly proportional to his weight M on mars. The constant of proportionality is 3, if a man weights 126 kg on earth, how much will he weigh on mars?
45 kgs
40 kgs
42 kgs

Q 7: The numbers p and q are directly proportional and p=7.5 when q=15. Find p when q=38; and find q when p=13.
26 and 19 respectively
19 and 26 respectively
15 and 29 respectively

Q 8: A family spends 120 dollars per month for vegetables when the cost of vegetables is 5 dollars per kg. How much amount must the family spend per month, if the cost of vegetables goes up to 5.75 dollars per kg?
138 dollars
130 dollars
140 dollars

Question 9: This question is available to subscribers only!

Question 10: 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