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Start learning 50% faster. Sign in nowIndia has ranked third in the world for LEED certified green buildings in 2021 in the US Green Building Council (USGBC) annual list. China and Canada are at the first two positions. LEED (Leadership in Energy and Environmental Design) is the most widely used green building rating system in the world. Available for virtually all building types, LEED provides a framework for healthy, highly efficient, and cost-saving green buildings.
The ratio of Rama’s to Shyama’s age is 1 : 2 and the sum of their age 81 years. What will be the ratio of their ages after 7 years?
Shalini is younger than Rashi by 3 years. If the ratio of Shalini and Rashi ages is 4:5 respectively, then find the age of Shalini.
