Raju thinks of a no. and subtracts 1/2 from it . on multiplying the result by 10 , he gets the no. 9 times the no. he thought of . what is the no.
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let the number be x.
therefore 10(x - 1/2) = 9x
==> 10x - 10/2 = 9x
==> 10x - 5 = 9x
==> 10x - 9x = 5
==> x = 5
hence, the number is 5.
HOPE THIS HELPS..!!
therefore 10(x - 1/2) = 9x
==> 10x - 10/2 = 9x
==> 10x - 5 = 9x
==> 10x - 9x = 5
==> x = 5
hence, the number is 5.
HOPE THIS HELPS..!!
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