In the Global Air Quality Index of SWISS FIRM IQAir for the year 2022, at what rank did India stand in terms of air quality worldwide?
The Swiss firm IQAir released the 'World Air Quality' report which says that India is world's 8th most polluted country in 2022, dropping from the 5th spot the previous year. The PM2. 5 level of most polluted Indian cities stands at 53.3, according to the data.
The volume and height of a cylinder are 7986 cm3 and 21 cm. Find the radius of the cylinder.
The mean proportional of a and b is c. What is the mean proportional of a2 c and b2 c?
In triangle ABC, AD is the angle bisector of angle A. If AB = 8.4 cm and AC = 5.6 cm and DC = 2.8 cm, then the length of side BC will be:
An equilateral triangle ABC is inscribed in a circle with centre O. D is a point on the minor are BC and ∠ CBD = 40°. Find the measure of ∠ ...
The mean proportion of 169 and 144 is:
If the area of a square is 144 cm² and the breadth of a rectangle is 20% more and the length is 50% more than the side of the square, then find the rat...
Find the minimum length of a rubber band which can tie three circular pipe of radius 21 cm?
The average weight of a group of five persons, A, B, C, D, and E is 78 kg. If another person K joins the group then the average weight of the group is d...
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 288 cm. If each side of a square is 25% more than the brea...
If the radius of a cylinder is 17 cm and its curved surface area is 1309 cm2 then find the height of the cylinder?