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Question Number 7
In the ‘Primery’school, each kid’s roll number is a prime number. They stand in a line in ascending
or

By Ruby

Question Number 7
In the ‘Primery’school, each kid’s roll number is a prime number. They stand in a line in ascending
order. Each kid starting from the second kid (roll number 3), tells the difference between her roll
number and the kid standing in front of her. Calculus is fast adding up all the differences as shouted
by the kids (in turn). However, Supandi already knows the answer that calculus will get, as she is the
last kid (315t) in the line with roll number 127. What is the sum that Calculus (or Supandi) get?

O 125
0 111
O 107
O 105
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Ruby

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1 thought on “Question Number 7<br />In the ‘Primery’school, each kid’s roll number is a prime number. They stand in a line in ascending<br />or”

  1. Step-by-step explanation:

    math, prime numbers are whole numbers greater than 1, that have only two factors – 1 and the number itself.

    Prime numbers are divisible only by the number 1 or itself.

    For example, 2, 3, 5, 7 and 11 are the first few prime numbers.

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