Question discussion

3    15   47    38   53     ?    5

130846Medium 2 replies 3,027 views
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CCommunity
18 is the right answer
0
CCommunity
18 is the right answer

$15 = 3 \times 4 + 3$

$38 = 7 \times 5 + 3$

$18 = 3 \times 5 + 3$