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A grandfather is ten times older than his granddaughter. He is also 54 years older than her. Find their present

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

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Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube. 81

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

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The rational number `(-8)/(-3)` lies neither to the right nor to the left of zero on the number

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

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Every whole number is an

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

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Total number of outcomes, when a ball is drawn from a bag which contains 3 red, 5 black and 4 blue balls

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

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A dice is rolled once. What is the probability that the number on top will be A factor of

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

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The value of `sqrt(248+sqrt(52+sqrt144))`

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

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The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.

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

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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 by purvi (1.8k points)

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Below are the drawings of cross sections of two different pipes used to fill swimming pools. Figure A is a combination of 2 pipes each having a radius of 8 cm. Figure B is a pipe having a radius of 15 cm. If the force of the flow of water coming out of the pipes is the same in both the cases, which will fill the swimming pool faster?

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

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Adjoining pie chart (Fig ) gives the expenditure (in percentage) on various items and savings of a family during a month.

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

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Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal

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

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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 by purvi (1.8k points)

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Calculate the amount and compound interest on Rs 8,000 for 1 year at 9% per annum compounded half yearly.(You could use the year by year calculation using SI formula to

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

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Find the value of

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

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0.25(4f – 3) = 0.05(10f –

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

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Which are prisms among the

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

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Find the value of

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

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Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the

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

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Two persons could fit new windows in a house in 3 days. One of the persons fell ill before the work started. How long would the job take

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

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