Question

If
23+1=4
46+5=5
87+3=12
72+3=6
Then
86+7=?

Answer 1

Answer:

7

Step-by-step explanation:

2+3-1=4

4+6-5=5

8+7-3=12

7+2-3=6

Hence,86+7=7

Answer 2

23 + 1 = 4

46 + 5 = 5

87 + 3 = 12

72 + 3 = 6

86 + 7 = 7

Solution:

Given that,

23 + 1 = 4

46 + 5 = 5

87 + 3 = 12

72 + 3 = 6

Then,

86 + 7 = ?

Analyse the pattern followed

$2+3-1 = 5-1=4\\\\4+6-5=10-5=5\\\\8+7-3=15-3=12\\\\7+2-3=9-3=6\\\\Similarly\\\\8+6-7=14-7=7$

Thus. 86 + 7 = 7

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