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The International Solar Alliance (ISA) was launched by PM Modi and former French president Francois Hollande in November 2015 at the 21st session of the United Nations Climate Change Conference of the Parties (COP-21) in Paris. The alliance was formed with the aim to promote solar energy in 121 member countries and to mobilise over $1 trillion of investment for the deployment of solar energy at affordable costs. It is the first inter-government organisation headquartered in India, in Gurugram.
What will be the ratio of simple interest earned by certain amount at the same rate of interest for 4 years and 6 years ?
A certain sum of money will be doubled in 80 years at the rate of simple interest percent per annum is: