Question

A and B are respectively 20% and 10% lower than c what percentage ​

Answer 1

SOLUTION

GIVEN

A and B are respectively 20% and 10% lower than C.

TO DETERMINE

The percent of B is A

EVALUATION

Let C = 100

Now A is 20% lower than C

∴ A = 100 - 20 = 80

Again B is 10% lower than C

∴ B = 100 - 10 = 90

So the required percentage

$\displaystyle \sf{ = \frac{80}{90} \times 100 \: \%}$

$\displaystyle \sf{ = \frac{800}{9} \: \%}$

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