The marks in a test decreased from 40 to 30. The percentage decre… - Vidyadip

MCQ

The marks in a test decreased from $40$ to $30$. The percentage decrease is

A
$0.1$
B
$0.2$
✓
$0.25$
D
$0.4$

✓

Answer

Correct option: C.

$0.25$

Percentage decrease $=\frac{40-30}{40} \times 100 \%=25 \%$

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