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• CBSE×
• Class 7×
• Mathematics×
• Fractions And Decimals×
• Introduction To Decimal Numbers×

# Introduction To Decimal Numbers Free Doubts and Solutions

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## Convert the following into lowest form and then convert into decimal : (a)(b)(c)(d)

Asked by Topperlearning User 10th October 2014, 3:32 PM

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## Five swimmers entered into a competition. Four of the swimmers have had their turns. Their timings are 9.8 sec, 9.75 sec, 9.79 sec, and 9.81 sec. What timing must the last swimmer set in order to win the competition?

Asked by Topperlearning User 10th October 2014, 3:32 PM

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## If 58 out of 100 students in a school are boys, then write a decimal for the part of the school that consists of boys.

Asked by Topperlearning User 6th November 2013, 3:49 AM

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## Write the following decimal numbers in the expanded form : (a) 50.9 (b) 276.05 (c) 9.047

Asked by Topperlearning User 6th November 2013, 3:46 AM

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## To make a miniature truck, we need tires with a diameter between 1.465 cm and 1.472 cm. Will a tire that is 1.4691 cm in diameter work? Explain why or why not.

Asked by Topperlearning User 6th November 2013, 3:32 AM

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## Represent the following decimal numbers on the number line: (a) 0.5 (b) 0.9

Asked by Topperlearning User 6th November 2013, 3:29 AM

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## Write each fraction as a decimal: (a)  (b)

Asked by Topperlearning User 6th November 2013, 3:13 AM

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## Find which is greater? (a) 0.2 or 0.02 (b) 5.06 or 5.60 (c) 0.9 or 0.99

Asked by Topperlearning User 6th November 2013, 3:07 AM

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## Express as rupee using decimals: (a) 20 paise (b) 250 paise (c) 9 paise (d) 75 paise

Asked by Topperlearning User 6th November 2013, 3:04 AM

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## Set the numbers in the order from the least to the greatest: (a) 8.9, 8.1, 5.3, 5.6, 9.2 (b) 2.25, 2.50, 2.75, 2.20

Asked by Topperlearning User 6th November 2013, 2:59 AM

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## Write as a decimal number: (a) Sixty-two and eighteen hundredths  (b) Seventy-four and four tenths (c) Fifty-two and thirty-three hundredths (d) Twenty-seven and six hundredths

Asked by Topperlearning User 6th November 2013, 2:57 AM