Usha's dad has recently constructed his house in Kathmandu. He has bought the land for ₨366882, paid ₨993554 for the building material and ₨645671 as the construction cost. He has also paid ₨75444 as government taxes. What is the total cost of the house?
Shell-Waters is a comet that orbits around the sun once in 72 years, and Ash-Waite is a comet that orbits around the sun once in 252 years. The last time they were seen together in the sky was in 1991. In which year will they be next seen together in the sky ?
Sulekha drove 47.5774 km to visit her grandmother. When she reached her grandmother's house she noticed that the car had used up 3.77 liters of petrol. How many kilometers did she travel per liter of petrol?
Two walls of an auditorium are to be painted. The first wall is of length 14 meters and height 11 meters. The cost of the paint for this wall is ₨25 per square meter. The second wall is of length 10 meters and height 9 meters. The cost of the paint for this wall is ₨30 per square meters. The ratio of the costs of painting the first wall to the second one is: