How positive integers less than 20 are equal to the sum of a positive multiple many of 3 and 4

A    16

B    10

C    15

D    14

Solution

Correct Answer: Option A

 

1)3+4=7    2)3+8=11   3) 3+12=15 4)3+16=19 5)6+4=10   6) 6+8=14 7)6+12=18  8)9+4=13   9) 9+8=17 10)12+4=16 

 

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