Question

If the price of watch is increased by 15% the increase in the price is 90 rupees. What was the price of watch earlier?
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Answer 1

Answer:

$Let \: the \: actual \: amount \: as \: x </p><p>Then \: ( 15 ) \: % \: of \: x \: = \: 90 </p><p>⇒  \: (15 \: / \: 100 ) \: x \: ( x ) \: = \: 90 </p><p>⇒ \:   15 x \: = \: 90 \: x \: 100 </p><p>⇒  \: x \: = \: 6 \: x \: 100</p><p>⇒ x \: = \: 600</p><p></p><p>$