The ozone layer is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radioation.
Each of the articles was marked 55% above its cost price and while selling ‘y’ % discount was given on it. The selling price of the article M is Rs....
If 40% of 70 is x% more than 30% of 80, then find 'x'.
Milk contains 6% water. What quantity of pure milk should be added to 12 litres of milk to reduce the quantity of water to 3%?
A pear has a cylindrical-shaped seed exactly in the center. If the diameter and height of the seed are both equal to one-fifth of the diameter of the fr...
Initially, the strength of science stream of class 12th was 1,000. (x + 10)% students shifted from science to humanities and later, (x + 10)% of the rem...
In an exam, Sunil scored 46% marks and failed by 65 marks whereas Anil scored 66% marks in the same exam and scored 45 marks more than the passing marks...
A gets 30% of the full marks in an exam and fails by 90 marks. B gets 36% of the full marks in the same exam and he also fails by 72 marks. What is the ...
A man spent 40% of his income in May. If his savings is increased by 20% in June and becomes Rs. 5760, then find the income of man in May.
When the price of apples is decreased by 30%, a customer is able to purchase 5 additional apples with Rs. 140. Determine the original price per apple.
Seven years ago, the ratio of the ages of A and B was 4: 5. Eight years hence, the ratio of the ages of A and B will be 9:10. What is the sum of their p...
