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Byju's Answer
Standard IV
Mathematics
Number Towers
What is the t...
Question
What is the topmost number of the above number tower?
A
6
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B
8
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C
7
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D
9
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Solution
The correct option is
B
8
We can observe that
1
+
2
=
3
and
2
+
3
=
5.
The number on the higher floor of the tower is the sum of the two numbers beneath it on the floor just below it.
∴
The number on the top floor is
3
+
5
=
8.
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