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Question
Sarah collected apple cartons and placed them as shown below. After arranging the boxes, she noticed a pattern. Follow the pattern and find what will come in place of '?'.
Sarah collected apple cartons and placed them as shown below. After arranging the boxes, she noticed a pattern. Follow the pattern and find what will come in place of '?'.
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Solution
The correct option is C 80
We can see that 30 can be obtained by adding 10 and 20.
Similarly, 50 can be obtained by adding 20 and 30.
Following the same pattern, the number in place of '?' can be obtained by adding 30 and 50.
Thus, the number in place of '?' is 80.
We can see that 30 can be obtained by adding 10 and 20. Similarly, 50 can be obtained by adding 20 and 30.
Following the same pattern, the number in place of '?' can be obtained by adding 30 and 50.
Thus, the number in place of '?' is 80.
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