Mathematics
NULL
Medium
Question
TV price falls 30% and sales rise 20%. What is the effect on the shopkeeper's revenue?
A
10 % increase
B
10 % decrease
C
16 % increase
D
16 % decrease
✓ Official correct answer
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A
10 % increase
No member explanations yet for this option.
B
10 % decrease
No member explanations yet for this option.
C
16 % increase
No member explanations yet for this option.
D
16 % decrease
No member explanations yet for this option.
Explanation
Revenue factor = 0.7 × 1.2 = 0.84 ⇒ 16% decrease.