x and y are in direct proportion, Match the column
class8-maths-chapter-13-mcq-1.png
  • p -> ii, q -> iii , r -> i
  • p -> i, q -> ii , r -> iii
  • p -> iii, q -> ii , r -> i
  • p -> iii, q -> i , r -> ii
x and y are in inverse proportion, Match the column
class8-maths-chapter-13-mcq-2.png
  • p -> ii, q -> iii , r -> i
  • p -> i, q -> ii , r -> iii
  • p -> iii, q -> ii , r -> i
  • p -> iii, q -> i , r -> ii
which of the following statement is correct?
  • If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion.
  • If two quantities x and y vary directly with each other, then x/y is constant
  • If two quantities p and q vary inversely with each other, then x/y is constant
  • If d varies directly as $t^2$ , then we can write $dt^2 = k$, where k is some constant.
In a hostel of 50 boys, there are food provision for 40 days, if  30 more boys join the hostel, the food provision will last for ?
  • 25 days
  • 30 days
  • 20 days
  • 15 days
A pipe can fill a tank in 20 hrs . Due to a leak in the bottom of the tank, it is filled in 25 hrs . if the tank is full how much time will the  leak take to empty it.
  • 60 hours
  • 80 hours
  • 100 hours
  • 75 hours
30 persons can reap a field in 17 days. How many more persons should be engaged to reap the same field in 10 days?
  • 21
  • 20
  • 25
  • 15
If the wages of 15 workers for 6 days are RsThe wages of 19 workers for 5 days is
  • Rs 9800
  • Rs 9975
  • Rs 9745
  • Rs 9560
Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and y?
  • 25 and 35
  • 21 and 15
  • 35 and 49
  • 55 and 77
A ,B and C together complete a piece of work in 4 days. A alone completes it in 12 days and B alone in 15 days. C alone will finish the work in?
  • 16 days
  • 15 days
  • 12 days
  • 10 days
Which of the following quantities does not vary directly with each other?
  • Simple interest on a given sum and the rate of interest.
  • Side of the square and its perimeter
  • The distance travelled by CNG bus and the amount of CNG used.
  • Compound interest on a given sum and the sum invested.
Simplify the ratio of35 : 14
  • 5 : 2
  • 2 : 5
  • 3 : 1
  • 35: 14
88 students for 4 classesHow many students per class?
  • 22 students per class
  • 22 classes per student
  • 25 students per class
  • 25 classes per student
Mrs. Jones reads 75 pages in 25 minutes. What is her average page per minute?
  • 3 pages per minute
  • 100 pages per minnute
  • 50 pages per minute
  • 2 pages per minute
Mr. Keys made $90 in 5 hours. What is the unit rate?
  • $18 per hour
  • $1 in 18 hours
  • $90:5h
  • 5 to 90
I paid $15.00 for 6 gallons of gasoline.What was the price PER gallon?
  • $0.40
  • $9.00
  • $2.50
  • $0.90
Movie ticket sales are as follows:Adult: 20 tickets for $250Child: 15 tickets for $71.25Senior: 5 tickets for $37.50How much does one (1) ADULT ticket cost?
  • $0.08
  • $25
  • $12
  • $12.50
Atlas is selling sweatshirts for a school fundraiser. Three sweatshirts cost $60. His goal is to make $160. How many sweatshirts does Atlas have to sell to reach his goal?
  • 123 sweatshirts
  • 8 sweatshirts
  • 9 sweatshirts
  • 63 sweatshirts
Trevor wants to order whistles for his birthday treat bags. Party City sells 25 whistles for $21.25. Walmart sells 50 whistles for $36 and Target sells 80 whistles for $60. Which store would give Trevor more for his money?
  • Party City
  • Walmart
  • Target
Find the unit price for each offer to determine which is the better buy –Store A: 6 x-box games for $25Store B: 8 x-box games for $33
  • Store A
  • Store B
Mrs Estrada has 176 slices of bread in 8 loaves. If there are the same number of slices in each loaf, how many slices of bread are in 4 loaves?
  • 110
  • 88
  • 173
  • 100
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