The Paris Agreement is a legally binding international treaty on climate change. It was adopted by 196 Parties at the UN Climate Change Conference (COP21) in Paris, France, on 12 December 2015. It entered into force on 4 November 2016. Its overarching goal is to hold “the increase in the global average temperature to well below 2°C above pre-industrial levels” and pursue efforts to limit the temperature increase to 1.5°C above pre-industrial levels.
In a class of 55 students, the ratio of boys to girls is 5:6. The average weight of a boy exceeds the average weight of a girl by 8 kg. Additionally, th...
I. 3x² - 15x + 18 = 0
II. 2y² - 8y + 6 = 0
A shopkeeper marks his goods 50% above the cost price but allows his customers a discount of 20% on the marked price. What is his actual profit if selli...
The sides of a triangle measure 13 cm, 14 cm, and 15 cm. Find the area of the triangle.
A rectangular water reservoir contains 42,000 liters of water. Find the depth of water in the reservoir, if the base measures 6m by 3.5m
Quantity I: A shopkeeper bought an article for Rs. 3000 and marked its price up by 50%. He then gave two successive discounts of 10% and ‘x’%, makin...
A 60-liter solution contains 30% alcohol. How much pure alcohol must be added to make the solution 50% alcohol?
A container has a mixture of two liquids, A and B, in the ratio of 5:3. If 16 liters of the mixture are removed and replaced with 16 liters of liquid B,...
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
A rectangle has a perimeter of 60 cm, and the ratio of its length to its width is 3:2. Find the length of its diagonal.