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Byju's Answer
Standard IX
Mathematics
Venn Diagram
If 3+2=7,4+3=...
Question
If 3+2=7,4+3=10,5+4=13, then 6+5=?
A
17
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B
18
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C
15
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D
16
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E
20
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Solution
The correct option is
D
16
The rule is
a
+
b
=
a
+
2
b
∴
6
+
5
=
6
+
2
×
5
=
6
+
10
=
16
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0
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