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If 2+3+4=11, 3+4+5=15, 4+5+6=19, what is 7+8+9=?

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If 2+3+4=11, 3+4+5=15, 4+5+6=19, what is 7+8+9=?
posted Jun 27, 2018 by anonymous

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2 Answers

0 votes

31


If 2+3+4=11, 3+4+5=15, 4+5+6=19, what is 7+8+9=?
the pattern is x*2+(x+1)+(x+2)=x*4+3
7*2+8+9=31
the answer is 31

answer Jun 27, 2018 by Hanifa Mammadov
0 votes

31 = (7*2)+8+9

answer Jun 27, 2018 by Althi Rajeswararao



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If
2,6=5
4,9=7
6,11=8
8,15=11
then
12,18=?

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IF
1,3,3=5
9,7,4=8
11,14,10=15
20,16,12=18
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–1 vote

If the following is true, can you find the value of (4 + 9)?

7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

0 votes

If
2+4+6=19,
3+6+9=43,
4+6+8=53
then
9+5+3=?

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