the capus of college having 320 students having stock of food for 80 days if 20 students leave the campus after 20 days how many more days will the foods last?

How to identify whether it is Direct or Inverse proportion?

2 men can do a peice of work in 6 hours and 4 hours respectively. After the first has worked for 2 hours' he is joined by the other. By when should the work be compleated?

If the weight of 12 sheets of thick paper is 40 grams,how many sheets wud weigh 2 an a half???

A can do a piece of work in 14 days while B can do it in 21 days. They began together and worked at it for 6 days. Then, A fell ill and B had to complete the remaining work alone. In how many days was the work completed?

500 soldiers in a fort had enough food for 30 days . after 6 days, some soldiers were sent to another fort and thus the food lasted for 32 more days . how many soldiers left the fort ?

The C.P of two watches taken together is Rs 840. If by selling one at a profit of 16% and the other at a loss of 12%, there is no gain or loss in the whole transaction then find the C.P of each watch.(PLZ answer soon exam is approaching)

a car travels a distance of 715km at a uniform speed.if the speed of the car is 10 km/hr more , it takes 2 hrs less to cover the same distance.find the original speed of the car

a shopkeeper buys an article for Rs 400 ana marks it for sale at a price that may give him 80% profit on his cost. he,however gives 15% discount on the marked price to his customer.

calculate:

i) the marked price of the article,

ii) the discount in rupees given to the customer,

iii) the actual percentage profit made by the shopkeeper.

8 persons can earn Rs 6000 in 5 days. What amountwill 3 persons earn in 12 days?

A shopkeeper marks his goods 20% higher above the cost price and also gives a discount of 10%. Find his gain percent.

In a hostel it costs Rs. 1800 to keep 50 children for 8 weeks. For what length of time did the cost of keeping 90 children amount to Rs. 21060 ?

An employer reduces the number employers in the ratio 15:8 and increases their wages in the ratios 14:25. In whatratio, the wages bill is increased or decreased.

The sum of two numbers is 28/25 of the first number. The second number is what percent of the first? (plz ans soon exam is aproaching)

A garrison of 120 men has provision for 30 days. At the end of 5 days, 5 more men joined them. How many days can they sustain on the remaining provision?

the capus of college having 320 students having stock of food for 80 days if 20 students leave the campus after 20 days how many more days will the foods last?

How to identify whether it is Direct or Inverse proportion?

2 men can do a peice of work in 6 hours and 4 hours respectively. After the first has worked for 2 hours' he is joined by the other. By when should the work be compleated?

If the weight of 12 sheets of thick paper is 40 grams,how many sheets wud weigh 2 an a half???

A can do a piece of work in 14 days while B can do it in 21 days. They began together and worked at it for 6 days. Then, A fell ill and B had to complete the remaining work alone. In how many days was the work completed?

500 soldiers in a fort had enough food for 30 days . after 6 days, some soldiers were sent to another fort and thus the food lasted for 32 more days . how many soldiers left the fort ?

The C.P of two watches taken together is Rs 840. If by selling one at a profit of 16% and the other at a loss of 12%, there is no gain or loss in the whole transaction then find the C.P of each watch.(PLZ answer soon exam is approaching)

a car travels a distance of 715km at a uniform speed.if the speed of the car is 10 km/hr more , it takes 2 hrs less to cover the same distance.find the original speed of the car

a shopkeeper buys an article for Rs 400 ana marks it for sale at a price that may give him 80% profit on his cost. he,however gives 15% discount on the marked price to his customer.

calculate:

i) the marked price of the article,

ii) the discount in rupees given to the customer,

iii) the actual percentage profit made by the shopkeeper.

8 persons can earn Rs 6000 in 5 days. What amountwill 3 persons earn in 12 days?

A shopkeeper marks his goods 20% higher above the cost price and also gives a discount of 10%. Find his gain percent.

In a hostel it costs Rs. 1800 to keep 50 children for 8 weeks. For what length of time did the cost of keeping 90 children amount to Rs. 21060 ?

An employer reduces the number employers in the ratio 15:8 and increases their wages in the ratios 14:25. In whatratio, the wages bill is increased or decreased.

The sum of two numbers is 28/25 of the first number. The second number is what percent of the first? (plz ans soon exam is aproaching)

A garrison of 120 men has provision for 30 days. At the end of 5 days, 5 more men joined them. How many days can they sustain on the remaining provision?