Length of diagonal = √3 a = √3 × 13 = 13√3 Surface area = 6a² = 6 × 13 × 13= 1014 m² Volume of a cube= a³= 13³ = 2197 m3
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'Asmita,' who is three times as efficient as 'Bittu,' can complete a task on her own in 15 days. 'Asmita' and 'Bittu' began working together, but after ...
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‘A’ and ‘B’ can do a piece of work in 15 days and 20 days, respectively. They started working together but ‘A’ left after 3 days. Find the t...
