A tyre manufacturing company kept a record of the distance covered before a tyre needed to be replaced. The table shows the results of 1000 cases. If you buy a tyre of this company, what is the probability that : it will need to be replaced after it has covered somewhere between 4000 km and 14000 km?

A tyre manufacturing company kept a record of the distance covered before a tyre needed to be replaced. The table shows the results of 1000 cases.If you buy a tyre of this company, what is the probability that : it will need to be replaced before it has covered 4000 km?\

A large tyre manufacturing company kept a record of the distance at which a particular kind of two wheeler tyre needed to be replaced. The table shows the results from 1000 samples. : If you buy a tyre of this company, what is the probability that : it will need to be replaced after it has covered somewhere between 400 and 1400 km. ?

A large tyre manufacturing company kept a record of the distance at which a particular kind of two wheeler tyre needed to be replaced. The table shows the results from 1000 samples. : If you buy a tyre of this company, what is the probability that : it will need to be replaced before it has covered 400 km. ?

A large tyre manufacturing company kept a record of the distance at which a particular kind of two wheeler tyre needed to be replaced. The table shows the results from 1000 samples. : If you buy a tyre of this company, what is the probability that : it will last more than 900 km ?

A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The picnic site is 55 km from the school and the transport company is charging at the rate of Rs 12 per km. The total cost of refreshments will be Rs 4280 Can you tell : If their first stop is at a place 22 km from the school, what per cent of the total distance of 55 km is this? What per cent of the distance is left to be covered?

An oil company has two depots A and B with capacities of 7000 l and 4000 l respectively. The company is so supply oil to three petrol pumps, D,E and F whose requirements are 4500 l, 3000 l and 3500 l respectively. The distance between the depots and the petrol pumps is given in the following table: Assuming that the transportation of cost of 10 litres of oil is Rs. 1 per km, how should be the delivery be scheduled in order that the transportation cost is minimum? what is the minimum cost?

An oil company has teo depots A and B with capacity of 7000L and 4000L respectively. The company is to supply oil to three petrol pumps D,E and F whose requirements are 4500L, 3000L and 3500L respectively. The distance between the depots and the petrol pumps is given in the following table: Assuming that the transportation cost of 10 litres of oil is Rs 1 per km, how should the delivery be scheduled in order that the transportation cost is minimum? What is the minimum cost?

An oil company has teo depots A and B with capacity of 7000L and 4000L respectively. The company is to supply oil to three petrol pumps D,E and F whose requirements are 4500L, 3000L and 3500L respectively. The distance between the depots and the petrol pumps is given in the following table: Assuming that the transportation cost of 10 litres of oil is Rs 1 per km, how should the delivery be scheduled in order that the transportation cost is minimum? What is the minimum cost?