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Start learning 50% faster. Sign in nowPresent age of ‘C’ = 0.4 × 50 = 20 years 4 years ago from now, age of ‘C’ = 20 – 4 = 16 years 5 years hence from now, age of ‘B’ = 16 × (7/4) = 28 years Present age of ‘B’ = 28 – 5 = 23 years
MATCH THE COLUMN
(A) Climate change, resource destruction and species extinction
(i)is
(D) limiting development opportunities and global scope for act...