Mathematics
NULL
Medium
Question
Arslan tells Bilal that if Bilal gives him x marbles they will have equal numbers. Bilal replies that if Arslan gives him twice as many, Bilal will have 30 more than Arslan. Find x.
A
4
B
5
✓ Official correct answer
C
6
D
8
Community credibility
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A
4
No member explanations yet for this option.
B
5
No member explanations yet for this option.
C
6
No member explanations yet for this option.
D
8
No member explanations yet for this option.
Explanation
From equality, B − A = 2x. From the second condition, 6x = 30 ⇒ x = 5.