Raj gave a wooden board of length $150 \frac{1}{4}$ cm to a carpenter to make a shelf. The carpenter sawed off a piece of $40 \frac{1}{5}$ cm from it. What is the length of the remaining piece?

110 \frac{1}{20}

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110 \frac{1}{5}

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110 \frac{1}{10}

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110

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Solution

The correct option is A $110 \frac{1}{20}$ cm
Given, the length of the wooden board $= 150 \frac{1}{4}$ cm
The length of the board that the carpenter sawed off = $40 \frac{1}{5}$ cm
Length of the remaining piece = $150 \frac{1}{4} - 40 \frac{1}{5}$ cm
$= 150 - 40 + (\frac{1}{4} - \frac{1}{5}$ ) cm

$= 110 + (\frac{5}{20} - \frac{4}{20}$ ) cm

$= 110 \frac{1}{20}$ cm

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Raj gave a wooden board of length 15014 cm to a carpenter to make a shelf. The carpenter sawed off a piece of 4015 cm from it. What is the length of the remaining piece?

The correct option is A 110120 cmGiven, the length of the wooden board =15014 cm The length of the board that the carpenter sawed off = 4015 cm Length of the remaining piece = 15014–4015 cm =150–40+(14−15) cm =110+(520−420) cm =110120 cm

Raj gave a wooden board of length $150 \frac{1}{4}$ cm to a carpenter to make a shelf. The carpenter sawed off a piece of $40 \frac{1}{5}$ cm from it. What is the length of the remaining piece?