WS2 Q3 | Running at an average speed of 40 km/hr a bus completes a journey in 4 and 1/2 hours...
WS2 Q3 | Running at an average speed of 40 km/hr a bus completes a journey in 4 and 1/2 hours. How much time will it take if the speed is increased to 45 km/hr. Class 8 Mathematics #DirectAndInverseVariation #Class8Mathematics #MathematicsLearning #RashKathMath Direct and inverse variation Playlist of videos • Class 8 Direct and Inverse Variation Introduction when do we say two quantities are in variation? What is Direct variation? • Direct and Inverse Variation| Introduction... WS1 Q1 Find the unknown if x and y vary directly • Find the missing term if x and y vary dire... WS1 Q2 5 bags of rice weigh 150 Kg. How many bags of rice will weigh 900 Kg? • WS1 Q2 | Direct and Inverse variation |5 b... WS1 Q3 The cost of 5 Kg of sugar is Rs 105. What will be the cost of 15 Kg of sugar? • WS1 Q3 | Direct and Inverse Variation| The... WS1 Q4 A motor boat covers 20 km in 4 hours. What distance will it cover in 7 hrs (speed remaining the same) • WS1 Q4 | Direct and Inverse Variation| A m... What is Direct Variation • What is Direct Variation? What is Inverse Variation • Direct and Inverse Variation| Class 8 Math... WS1 Q5 A motorbike travels 210 km on 30 litres of petrol. How far would it travel on 7 litres of petrol? • WS1 Q5 | A motor bike travels 210 km on 30... WS1 Q6 If 12 women can weave 15 metres of cloth in a day, how many metres of cloth can be woven by women in a day? • WS1 Q6 | If 12 women can weave 15 m of clo... WS1 Q7 If the weight of 5 sheets of paper is 20g, how many sheets if the same paper would weigh 2.5 kg? • WS1 Q7 | If the weight of 5 sheets of pape... WS1 Q9 Rohan takes 14 steps in covering a distance of 2.8m. What distance would he cover in 150 steps • WS1 Q9 | Rohan takes 14 steps in covering ... How to find distance travelled by a moving body(discussion) • How to find distance travelled by a moving... WS2 Q3 | Running at an average speed of 40 km/hr a bus completes a journey in 4 1/2 hours. How much time will it take if the speed is increased to 45 km/hr • WS2 Q3 | Running at an average speed of 40... Discussion Time and Work, Time, Distance and Speed • Time and Work | Time Speed Distance - Dire... WS2 Q5 If 15 men can repair a road in 24 days, then how long will it take 9 men to repair the road? • Class 8 DAV Maths| Direct and Inverse Vari... WS2 Q6 If 30 goats can graze a field in 15 days, then how many goats can graze the same in 10 days? • WS2 Q6| If 30 goats can graze a field in 1... WS2 Q7 A contractor with a workforce of 420 men can complete a work of construction of a building in 9 months. Due to a request by the owners he was asked to complete the task in 7 months. How many extra men he must employ to complete the job? • WS2 Q7 | A Contractor with a work force of... WS2 Q8 Uday can finish a book in 25 days if he reads 18 pages everyday. How many days will he take to finish it, if he reads 15 pages every day? • WS2Q8 | Uday can finish a book in 25 days ... WS2 Q12 A garrison of 120 men has a provision for 120 days. At the end of 5 days, five more men joined them. How many days can they sustain on the remaining provision? • Direct and Inverse variation | WS2 Q12 A ... WS3 Q1 Ramit can finish his work in 25 days, working 8 hours a day. If he wants to finish the work in 20 days then how many hours should he work per day? • WS3 Q1| Ramit can finish his work in 25 da... WS3 Q3 20 men can build a wall in 9 days, then how long would it take 12 men to build the same wall • WS3 Q3 20 men can build a wall in 9 days, ... WS3 Q4 Geetika weaves 20 baskets in 30 days. In how many days she will weave 120 baskets? • WS3 Q4| Geetika weaves 20 baskets in 30 da... WS3 Q5 A train 280 m long is running at a speed of 42 km/hr. How much time will it take to pass a man standing on a platform? • WS3 Q5| A train 280 m long is running at a... WS3 Q8 How long will a train 120 m long take to cross a platform 130 m long if its speed is 50 km/hr • WS3 Q8 | How long will a train 120 m long ... WS3 Q9 A train 210 m long took 12 sec to pass a 90 m long tunnel. Find the speed of the train. • WS3 Q9 | A train 210 m long took 12 sec to... WS3 Q10 A train 270 m long is running at a speed of 80 km/hr. how much time will it take to cross a platform 130 m long? • WS3 Q10 | A train 270 m long is running at...
