Question Answers

Example 10 : In a scout camp, there is food provision for 300 cadets for 42 days. If 50 more persons join the camp, for how many days will the provision last? Example 10 : In a scout camp for how many days will the provision last? there is food provision for 300 cadets for [...]

Example 9 : If 5 persons can finish a job in 10 days then one person will finish it in 2 days. Example 9 : If 5 persons can finish a job in 10 days then one person will finish it in 2 days. August 3, 2021 Category: Chapter 13 - Direct and Inverse Proportions [...]

Example 8 : If the cost of 10 pencils is Rs 90, then the cost of 19 pencils is Rs 171. Example 8 : If the cost of 10 pencils is Rs 90 then the cost of 19 pencils is Rs 171. August 3, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths [...]

Example 7 : When two quantities x and y are in inverse proportion, then x/y is a constant. Example 7 : When two quantities x and y are in inverse proportion then x/y is a constant. August 3, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 ,

Example 6 : Side of a rhombus and its perimeter are in ______ proportion. Example 6 : Side of a rhombus and its perimeter are in ______ proportion. August 3, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 ,

Example 5 : If x and y are inversely proportional then _____ = k where k is positive constant. Example 5 : If x and y are inversely proportional then _____ = k where k is positive constant. August 3, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 [...]

Example 4 : Amrita takes 18 hours to travel 720 kilometres. Time taken by her to travel 360 kilometres is _______. Example 4 : Amrita takes 18 hours to travel 720 kilometres. Time taken by her to travel 360 kilometres is _______. August 3, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths [...]

Example 3 : Which of the following is in direct proportion? (a) One side of a cuboid and its volume. (b) Speed of a vehicle and the distance travelled in a fixed time interval. (c) Change in weight and height among individuals. (d) Number of pipes to fill a tank and the time required to [...]

Example 2 : A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes is Example 2 : A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed [...]

Example 1 : If x and y are directly proportional and when x = 13, y = 39, which of the following is not a possible pair of corresponding values of x and y ? Example 1 : If x and y are directly proportional and when x = 13 which of the following is [...]