Question
What is the historical comparison period for the current
CO₂ levels, as mentioned by WMO?Solution
According to the WMO, current CO₂ levels were last seen 3-5 million years ago, when temperatures were 2-3°C warmer and sea levels were significantly higher.
A group of boys has an average weight of 44 kg. One boy weighing 50 kg leaves the group and another boy weighing 40 kg joins the group. If now the aver...
If the length of a rectangle is increased by 30% and its breadth is decreased by 20%, then the area of the rectangle will be increased or decreased by h...
A hemisphere has a radius of 10 cm. What is the total surface area of the hemisphere?
For a positive integer n, 25n – 52n is divisible by:
The side of a square is equal to the perimeter of an equilateral triangle of area 36√3 cm2 . Find the area of the square?
The area of a rhombus is 170 cm2. The length of one of its diagonals is 20 cm. The length of the other diagonal is:
Find out the volume of a tetrahedron whose side is 6√2 cm³?
When a smaller number divides a larger number, we get a quotient of 6 and a remainder of 5. Find the smaller number if the difference between the two nu...
Rahul spends some part of his income and saves the remaining part. The ratio of his expenditure and saving is 3 : 4 respectively. If Rahul’s income i...
The circumference of a circle is 33 cm and the length of the rectangle is 8 times the radius of the circle. Find the area (in cm2) of the rec...
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