Alex, Raj and Rohan measured the length of a pencil. They all used different units to express it. Which of them measured the length correctly?

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Question 15

Four children measure the length of a table which was about 2 m. Each of them used different ways to measure it.

(i) Sam measured it with a half metre long thread.
(ii) Gurmeet measured it with a 15 cm scale from her geometry box.
(iii) Reena measured it using her hand span.
(iv) Salim measured it using a 5 m long measuring tape.

Which one of them would get the most accurate length? Give reason for your answer.

Q. Which of the following unit would you use to measure the length of a pencil?

The lengths of four pencils are measured using a large scale. Which of them is longest if head and tip of the pencil is at:

A boy measures the length of a pencil and expresses it to be 2.6cm. What is the accuracy of measurement? Can he write it as 2.60cm.

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Alex, Raj and Rohan measured the length of a pencil. They all used different units to express it. ​ Which of them measured the length correctly?​

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Alex, Raj and Rohan measured the length of a pencil. They all used different units to express it. Which of them measured the length correctly?