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Two quantities x and y are said to vary directly with each other if for some rational number k, xy =

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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When the speed is kept fixed, time and distance vary inversely with each

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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(i) The time taken by a train to cover a fixed distance and the speed of the train. (ii) The distance travelled by CNG bus and the amount of CNG used. (iii) The number of people working and the time to complete a given work. (iv) Income tax and the income. (v) Distance travelled by an auto-rickshaw and time

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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A circle of maximum possible size is cut from a square sheet of board. Subsequently, a square of maximum possible size is cut from the resultant circle. What will be the area of the final

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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Area of a quadrilateral ABCD is 20 `cm^2` and perpendiculars on BD from opposite vertices are 1 cm and 1.5 cm. The length of BD

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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A cuboidal tin box opened at the top has dimensions `20 cm xx 16 cm xx 14 cm`. What is the total area of metal sheet required to make 10 such

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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Perform the following divisions: `(– qrxy + pryz – rxyz) -: (–

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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The sum of (x + 5) observations is `x^4 – 625`. Find the mean of the

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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`(–5)^(–2) xx (–5)^(–3) =

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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The graph given below compares the sales of ice creams of two vendorsfor a week.Observe the graph and answer the following questions. (a) Which vendor has sold more icecreams on Friday?(b) For which day was the sales same for both the

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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The table given below shows the temperatures recorded on a day at different times. Observe the table and answer the following questions. (a) During which hour did the temperature fall?(b) What is the change in temperature between 7 am and 10 am?(c) During which hour was there a constant

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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The following table gives the growth chart of a child. Height (in cm) 75 90 110 120 130 Age (in years) 2 4 6 8 10 Draw a line graph for the table and answer the questions that follow.(a) What is the height at the age of 5 years?(b) How much taller was the child at the age of 10 than at the age of 6?(c) Between which two consecutive periods did the child grow more

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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The following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages. Age (in years) 8 9 10 11 12 13 14 15 16 17 18 Boys 72% 75% 78% 81% 84% 88% 92% 95% 98% 99% 100% Girls 77% 81% 84% 88% 91% 95% 98% 99% 99.5% 100% 100% Draw the line graph of above data on the same sheet and answer the following questions.

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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The points on the graph below represent the height and weight ofthe donkey, dog, crocodile, and ostrich shown in the drawing. (a) Which point represents each animals?

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Study the given map of a zoo and answer the following

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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The sum of all the numbers formed by the digits x, y and z of the number xyz is divisible

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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The difference of a two–digit number and the number obtained by reversing its digits is always divisible by

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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Write the additive inverse of the following:

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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Write the additive inverse of each of the following.

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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Find the multiplicative inverse of the following. –

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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