Question 2(e)

Change the following statement using expressions into statement in ordinary language.(For example, given Salim scores r run in a cricket match, Nalin scores (r + 15) runs. In ordinary language – Nalin scores 15 runs more than Salim.)

In an arrangement of dots there are r rows. Each row contains 5 dots.

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Solution

Number of rows = r

Number of dots in a row = 5

$\Rightarrow$ The total number of dots is 5 times the number of rows.

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Question 2(e)

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Repeated Subtraction

Standard IV Mathematics

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Number of rows = r Number of dots in a row = 5 ⇒The total number of dots is 5 times the number of rows.

Number of rows = r

Number of dots in a row = 5

$\Rightarrow$ The total number of dots is 5 times the number of rows.