TCS
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Numerical Ability
Percentage
If the price of an item is decreased by 10% and then increased by 10%, the net effect on the price of the item is :-
a) a decreased of 99%
b) no change
c) a decreased of 1%
d) an increased of 1%
Read Solution (Total 3)
-
- suppose the price of the item is 100
now after decreasing 10% it will be 90
then after increasing 10% it will be (90+ 90/10) =99
So the total amount decrease by 1%
(c) a decreased of 1% - 12 years agoHelpfull: Yes(16) No(1)
- 100rs let after discount of 10 % i is Rs 90
rs 90 after increasing 10% bcome rs 99...... so net loose of 1%,,,,,, - 12 years agoHelpfull: Yes(9) No(2)
- there is simple formula for this question given in R>S>agwal....
the formula is------: (x/10)^2= (10/10)^2= 1 % (answer) - 12 years agoHelpfull: Yes(1) No(0)
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