In the slide activity, how many books were stacked first?
A12
B16
C10
D15
Answer & Solution
Correct answer: C. 10
1. A ball was rolled down a slide made of books.
2. First you put 10 Math-Magic books on top of each other.
3. The activity is then repeated with six books.
_Source: NCERT Class 5 Mathematics, 'Math-Magic', Ch 2 'Shapes and Angles'_
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