For the following questions answer them individually
A rectangular field of dimension $$180m \times 105m$$ is to be paved by identical square tiles. Find the number of tiles required to cover the field fully leaving no area unpaved.
The sum of two numbers is 15 and their gemetric mean is 20% lower than their arithmetic mean. Find the numbers.
A well with 7 m inside diameter is dug 22.5 m deep and the earth taken out of it has been spread around it to a width of 10.5 m to form an embankment. Find the height of the embankment so formed .
The horizontal distance between two towers is 75 m and the angular depression of the top of the first tower as seen from the top of the second which is 160 m high is 45° Find the height of the first tower
In a 5000-meter race, if runner A runs at a speed of 12 meters per second and runner B runs at a speed of 15 meters per second, how many seconds will it take for runner B to finish the race if runner A finishes the race in 20 minutes?
The profit earned after selling an article for Rs. 1680 is the same as the loss incurred after selling the article for Rs. 1512. What is the approx % of the profit or loss?
A certain number of capsules were purchased for ₹216.15 more capsules could have been purchased in the same amount if each capsule was cheaper by ₹10. What was the number of capsules purchased?
21 articles were bought for ₹ 6531 and sold for ₹ 9954. How much was the approximate profit percentage per article ?
The sum of the digits of a two-number digit is 10 When the digits are reversed , the number decreases by 54. Find the changed number.