Recent activity by purvi

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The reciprocal of –1

asked Jan 18, 2022 in 8th-maths

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The negative of a negative rational number is a positive rational

asked Jan 18, 2022 in 8th-maths

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Manavi and Kuber each receives an equal allowance. The table shows the fraction of their allowance each deposits into his/her saving account and the fraction each spends at the mall. If allowance of each is Rs. 1260 find the amount left with each.

asked Jan 18, 2022 in 8th-maths

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`5 1/2` metres long rope is cut into 12 equal pieces. What is the length of each

asked Jan 18, 2022 in 8th-maths

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Verify the property `x xx (y + z) = x xx y + x xx z` of rational numbers by taking. x = `(-2)/3`, y = `(-4)/6` and z =

asked Jan 18, 2022 in 8th-maths

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Verify – (– x) = x for (i) x= `3/5` (ii) x= `(-7)/9 ` (iii) x=

asked Jan 18, 2022 in 8th-maths

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`(x+y)/2` is a rational

asked Jan 18, 2022 in 8th-maths

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Using suitable rearrangement and find the sum: (a) `4/7+((-4)/9)+3/7+((-13)/9)` (b)

asked Jan 18, 2022 in 8th-maths

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The rational number `7/(-4)` lies to the right of zero on the number

asked Jan 18, 2022 in 8th-maths

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For rational numbers x and y, if x < y then x – y is a positive rational

asked Jan 18, 2022 in 8th-maths

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If x + y = 0, then –y is known as the negative of x, where x and y are rational

asked Jan 18, 2022 in 8th-maths

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The reciprocal of `2/5xx((-4)/9)`

asked Jan 18, 2022 in 8th-maths

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If y be the reciprocal of x, then the reciprocal of y^2 in terms of x will be

asked Jan 18, 2022 in 8th-maths

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The equivalent rational number of `7/9` , whose denominator is 45

asked Jan 18, 2022 in 8th-maths

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The equivalent of 5/7 , whose numerator is 45 is

asked Jan 18, 2022 in 8th-maths

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Draw a histogram for the frequency distribution table given in Example 13 and answer the following questions.(i) Which class interval has the maximum number of workers?(ii) How many workers earn Rs. 850 and more?(iii) How many workers earn less than Rs. 850?(iv) How many workers earn Rs. 820 or more but less than Rs.

asked Jan 18, 2022 in 8th-maths

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Read the frequency distribution table given below and answer the questions that follow: Class Interval Frequency 25-35 1 35-45 5 45-55 5 55-65 4 65-75 0 75-85 8 85-95 2 Total 25

asked Jan 18, 2022 in 8th-maths

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In a pie chart, the total angle at the centre of the circle

asked Jan 18, 2022 in 8th-maths

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What is the probability of choosing a vowel from the

asked Jan 18, 2022 in 8th-maths

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Which of the following is a reasonable conclusion for the given

asked Jan 18, 2022 in 8th-maths