cost of a two watch are in the ratio 16:23.the cost of first watch increase by 10% and that of second by rs 477.now the coast of two watch is in the ratio 11:20. the price of the second watch inthe beging was
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Answer:
Rs 1219
Step-by-step explanation:
cost of a two watch are in the ratio 16:23.the cost of first watch increase by 10% and that of second by rs 477.now the coast of two watch is in the ratio 11:20.
cost of a two watch are in the ratio 16:23
Let say First watch Price = 16W Rs
Second watch Price = 23W Rs
cost of first watch increase by 10%
16W + (10/100)16W = 17.6W Rs
Second watch price increased by Rs 477
23W + 477
now ratio 11:20.
17.6W : (23W + 477) :: 11:20
=> 17.6W / (23W + 477) = 11/20
=> 352W = 253W + 477*11
=> 99W = 477 * 11
=> 9W = 477
=> W = 53
23W = 23*53 = 1219
the price of the second watch in the beginning was Rs 1219
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