Mathematics
NULL
Medium
Question
If 15% of 30% of 50% of a number is 90, what is the number?
A
4000
✓ Official correct answer
B
3050
C
4400
D
4500
Community credibility
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A
4000
No member explanations yet for this option.
B
3050
No member explanations yet for this option.
C
4400
No member explanations yet for this option.
D
4500
No member explanations yet for this option.
Explanation
0.0225 × n = 90 ⇒ n = 4000.