# DIRECT ANG INVERSE PROPORTION WORD PROBLEMS WORKSHEET

Problem 1 :

Suppose 6 kg of salt contains 6 × 10crystals. How many crystals are there is i) 7 kg of salt   ii) 3.5 kg of salt ?

Solution

Problem 2 :

A machine in a Pepsi factory fills 680 bottles in 5 hrs. How many bottles will it fill in 3 hrs?

Solution

Problem 3 :

Bacteria enlarged 60000 times attain a length of 3 cm. what is the length of bacteria if it is enlarged 10000 times only.

Solution

Problem 4 :

A bus travels 40 kms in 30 minutes. If the speed of the bus remains same, how far can it travel in 3 hrs?

Solution

Problem 5 :

A contractor estimates that 5 persons could plumb Ravi’s house in 8 days. If he uses 6 persons instead of 5, how long should they take to complete the job.

Solution

Problem 6 :

If a box of pens is given to 25 children, they will get 2 pens each. How many would each get, if the number of children is reduced by 10?

Solution

Problem 7 :

A batch of tablets were packed in 10 boxes with 6 tablets in each box. If the same batch is packed using 12 tablets in each box. How many boxes would be needed?

Solution

Problem 8 :

In a toy company, it requires 36 machines to produce a car toys in 54 days. How many machines would be required to produce the same number of car toys in 81 days?

Solution

Problem 9 :

Two persons could fit the AC unit a house in 2 days one person fell ill before the work started, how long would the job take now?

Solution

Problem 10 :

In a college 7 period a day each of 45 minutes duration. How long each period be, if the school has 9 periods a day assuming the number of hours to be the same?

Solution

Problem 11 :

There are 200 students in primary school. They need 50liters of drinking eater/day. If 50 of them are reduced how many liters of water needed per day?

Solution

1)  i) 7 kg of salt contains 7 × 10crystals

ii) 3.5 kg of salt contains 3.5 × 10crystals

2)  x = 408 bottles

3) Length of bacteria is 0.5 cm.

4)  bus travels 240 km in 3 hours.

5)  x = 6   2/3 days

6) 5 pens

7)  5 boxes are needed

8) 24 machines would be required.

9)  One person will complete the job in 4 days.

10)  duration of every period is 35 min

11)  66.6 liters of water is required per day.

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