What must be true and what letter is the answer?
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The number of cups will be equal to 496.
<h3>What is arithmatic progression?</h3>The sequence in which every next number is the addition of the constant quantity in the series is termed as the arithmatic progression
Here we have the data:-
The bottom row has 61 cups
If there are 16 total rows
The number of the cups will be calculated as:-
Here a1 is first term 1
an is last term 2
n is the total number of the rows
By putting the values in the question we will get:-
Hence the number of cups will be equal to 496.
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