10 of us decided to visit our farmhouse for a week. We arranged food accordingly. But at the last moment 4 more friends joined us. Let’s find how long will that food last.

In a ship, there were stored food for 50 sailors for 16 days. After 10 days 10 more saliors joined them. Let's find, for how many days the remaining food would last.

12 men had provision of food for 20 days. Let's find if there are 40 men, how long will the proyision last?

12 men had provision of food for 20 days. Find, if there are 40 men, how long will the provision last?

In a fort there was reserved enough food of 2400 soldires for 39 days. The fort was reinforced by 800 more soldiers after 15 days without and food. Then how long will the remaining food last ?

Father brought 10 ltr. Of drinking water from a nearby tubewell. Mather used 1/5 part of water for cooking and 1/4 part was used for drinking purpose. Let us find how many liter of water is left?

There were stored food of 48 soliders for 7 weeks in a camp. If 8 more soldiers join the camp, let's find for how many weeks it will be sufficient with the same food.

For mid-day meal of 500 students, 175 kg of rice is required for a week. After 75 kg of rice has been used, how long will remaining rice last for 400 sudents.

Father bought 4 pens for us. Price of each pen is 5 rupees. I bought 2 more pens of the same type for my friends. Calculate to find how much money did I and father paid for the pens.

For constructing a road in our village, the ratio of money spent for the last four years is 2 : 4 :3: 2 . If the total money spend in those four years is Rs. 132 lac, then lets find how much money was spend on the second year and total money spent on first and third year.