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Saturday, December 14, 2019

If ★ means adding 6 times the second number to the first number, then (1★2)★3 equals

If ★ means adding 6 times the second number to the first number, then (1★2)★3 equals
A121
B31
C93
D91

Correct answer is: 31

Explanation:

1 + 12 = 13
13 + 18 = 31

roshan
answered Jan 11 '2020 at 16:32

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