Ourselves 1. Debubabu built a new house. He will paint the windows of his house. Each window has two paoes. If he takes 2 hr 15 min to paint 1 window pane, let's find how long will be take to colour 2 windows.

I learnt to bind book in my school. I found that it takes 1 hr. 15 min to bind I book. Let me find how many hours and mins I would take to bind 7 books.

Ourselves - (2) Rafikul uncle built a house on 3/5 of 4/7 part of his land, and rest is left for rest of the land the cultivation. Let us find on what part of land he built his house.

How much time will sunlight take to pass through the glass window of thickness 4 mm ? mu of glass = 1.5.

A cottage industry manufactures pedestal lamps and wooden shades, each requiring the use of a grinding/ cutting machine and a sprayer. It takes 2 hours on grinding/cutting machine and 3 hours on the sprayer to manufacture a pedestal lamp. It takes 1 hour onthe grinding /cutting machine and 2 hours on the sprayer to manufacture a shade. On any day, the sprayer is available for at the most 20 hours and the grinding /cutting machine for at the most 12 hours. The profit from the sale of a lamp is Rs. 5 and that from a shade is Rs. 3. Assuming that the manufacturer can sell all the lamps and shades that he produces, how should he schedule his daily production in order to maximise his profit?

To reach father's office from home, it takes 2 hrs 27 min. but while teturning home, it takes 2 hrs. 57 min. Let me find how long it takes in total to go to father's office and back.

In my house, 48 liters of drinking water is stored. Bottles of equal size are to be filled with this wator. If each bottle hods 1.2 litre or water, let’s find how many such bottles can be filled.

Rahamatchaha takes a loan amount of 2,40,000Rs from a bank for constructing a building at the rate of simple interest of 12% per annum. After 1 year of taking the loan he rents the house at the rate of 5200Rs per month. Then, determine the number of years he would take to repay his loan along with interest from the income of the houserent.

Rahimchacha takes a loan amount of Rs 2,40,000 from a bank for construting a building at the rate of simple interest of 12% per annum. After 1 year of taking the loan he rents the house at the rate of Rs 52000 per month. Determine the number of years he would take to repay his loan along with interest from the income of the houserent.