India’s first e-waste eco park will be developed in Holambi Kalan in Delhi in an area of about 21 acres. ‘e-waste eco park’ refers to the establishment of a place where this e-waste is dismantled, refurbished, recycled, and manufactured in a manner that is scientifically and environmentally sound. Delhi is the fifth-largest producer of e-waste in India, after Maharashtra, Tamil Nadu, Uttar Pradesh and West Bengal. Delhi produces over two lakh tonnes of e-waste every year, or about 9.5 per cent of the total amount produced in India, and only five per cent of the generated e-waste is properly recycled.
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(180/3)% of the raindrops could have been collected, when 8 cm of rain has fallen on a part of land of area 2.5 km2, in a tank having a 200 m...
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If the area of a triangle is 1080 cm2 and base: corresponding altitude is 3:5, then the altitude of the triangle is:
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If the volume of a sphere is 500 cm³, then find the surface area of the sphere. [Take π = 3]
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The perimeter of a rhombus is 50 m. If one of its diagonals is 7 m, then the area of the rhombus is
