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#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### MEAP Preparation - Grade 7 Mathematics2.16 Direct Variation or Direct Proportion

 Directions: Answer the following questions. Also write at least ten examples of your own.
 Q 1: The expenditure per month for 15 students in a dormitory is \$2,250. If 10 more students joined, what will be the monthly expenditure now?\$3,750\$3,500\$2,750 Q 2: A motor bike travels 225 km with 5 liters of gas. How many liters of gas are needed to travel 135 km?4 liters3.5 liters3 liters 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 =33.50 and 25 respectively27 and 55 respectively55 and 27 respectively Q 4: 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 respectively24 and 14 respectively25 and 15 respectively Q 5: 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=13.15 and 29 respectively26 and 19 respectively19 and 26 respectively Q 6: The amount of heat (H) produced in human body by burning of proteins is directly proportional to the amount of proteins (A) burnt. If burning of 1 gram of proteins produces 32 calories of heat, how much proteins should be burnt to produce 52 calories?15 grams20 grams13 grams Q 7: 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 m50 m45 m 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?130 dollars140 dollars138 dollars Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!