percentage

The inflation in the economy is @ 9% per annum. A company decides to revise the salary of all its employees by 5%. By how much should the consumption by individuals come down so as to beat the inflation?

percentage

A farmer stores 10000 kg of potatoes in an underground cellar. At the prevailing buying rates in the whole sale market he is unable to make any profit. He is advised that the market price of potatoes will climb @ 3% per month, whereas the loss in weight of potatoes due to evaporation of water was @1% per month.

After how many months should he sell his stock of potatoes so as to make a profit of 10%.

 

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9 - equation of line parallel to given line

Two points A and B have the following coordinated (2, 2) and 

(10, 8) respectively.

Find the equation of straight line which passes through point (3, 4) and is Parallel to AB?

8-equation of perpendicular to given line

Two points A and B have the following coordinated (2, 2) and 

(10, 8) respectively.

Find the equation of straight line which passes through point (3, 4) and in perpendicular to AB?

7-dividing a line segment to a given ratio

Two points A and B have the following coordinated (2,2) and (10,8) respectively.

Find the coordinates that divide the line segment in the ratio of 2:3?

6-midpoint of a line segment

Two points A and B have the following coordinated (2,2) and (10,8) respectively.

Find the midpoint of the line segment?

5-forming equation of straight line

Two points A and B have the following coordinated (2,2) and (10,8) respectively.

Form the equation of straight line passing through these 2 points?

4- coordinate geometry -distance between two points

Two points A and B have the following coordinated (2,2) and (10,8) respectively.

Find the length of the line segment?

16-time and work

A can do a piece of work in 9 days and B can do a piece of work in 12 days respectively. If they work only on alternate days, then how many days will it take for the work to get completed?

 

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15-chain rule / time and work

If 10 workers can dig a trench 23/4 feet long in one day, then how many workers will be required to dig a trench 23 feet long in 3 days time?

14-chain rule / time and work

For a certain job, 60 days are required for a group of men. If 8 more are added to the group, then it would take 10 less days to complete the job. How many men were there initially?

13-chain rule / time and work

8 men or 12 boys can do a piece of work in 50 days. In how many days will 11 boys and 6 men do the job?

12-chain rule / time and work

6 men or 12 boys can do a piece of work in 40 days. In how many days will 16 boys and 24 men do the job?

11-time and work / chain rule

For a certain job, 40 days are required for a group of men. If 12 out of the group never turned up for the job, then it took the remaining men 64 days to get the job completed. How many men were there initially?