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Class VIII
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Chapter 13
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Calendar magic
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Quiz
Class VIII
Quick check : Calendar magic
5 questions
Question 1 of 5
Score:
0
/ 0
2
×
2
2 \times 2
2
×
2
block sum formula in terms of top-left
a
a
a
A
4
a
4a
4
a
B
4
a
+
8
4a+8
4
a
+
8
C
4
a
+
16
4a+16
4
a
+
16
D
2
a
+
8
2a+8
2
a
+
8
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