Nucleophilic aromatic substitution. A nucleophilic aromatic substitution is a substitution reaction in organic chemistry in which the nucleophile displaces a good leaving group, such as a halide, on an aromatic ring.
find the compound interest at the rate of
16% per annum for 2 years on a certain
sum of money, gives 2400 simple
interest in 4 years at the rate of 6% per