A job can be done by 8 boys and 6 girls in 12 days and can be done by 10 boys and 14 girls in 8 days. In how many days can 2 boys and 2 girls do the same work?
The angle of elevation of the chimney of a house from a cat on the ground is 300. The height of the house is 12 m. Find the distance between chimney and cat.
Three employees worked on a presentation for 18 days, in the course of work, all of them remained absent for a few days. One of them was absent for 6 days more man the second employee and the third employee did one-third of the total work. How many days more than the third employee was the first one absent?
Ram and Shyam undertake to do a piece of work for ₹700. Ram alone can do it in 25 days and Shyam alone can do it in 35 days. They finish the work in 10 days with the help of Jay. What is the amount paid to Jay?
A weather vane is mounted on top of a pole. The angle of elevation of the weather vane of a vertical pole from the bottom of tree on the ground is 600. From the top of the tree of height 40 m, the angle of elevation is 450. Find the height of weather vane from the ground.
How long will a boy take to skate around a rectangular park of side 1200 m × 1500 m if his speed is 12 km/h?
A man performs $$\frac{2}{15}$$ of the total journey by Rail, $$\frac{9}{20}$$ by tonge and the remaining 10 km on foot. The total journey is?
In a college canteen, there were sufficient snacks for 450 students for 60 days. After 55 days 200 students went for an avocation. For how many extra days will the rest of the snacks last for the remaining students?
A man who goes to his office at the rate of 24 km/hr reaches 10 min late and when he goes by 30 km/hr, he reaches 20 min early. Find the distance of the office?
A car covered the distance of 300 km in the first phase by 80 km/hr speed, then covered 400 km distance in the second phase by 60 km/hr speed and in the last phase car covered 78 km by 72 km/hr speed. Find the average speed of the car.