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What will be the change in the volume of a cube when its side becomes 10 times the original

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

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The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also find its weight if the metal weighs 8 g per

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

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The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of the circle.

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

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If `36 = 6 xx 6 = 62`, then `1/36` expressed as a power with the base 6 is

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

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The left column of the chart lists the lengths of input pieces of ribbon. Stretching machines are listed across the top. The other entries are the outputs for sending the input ribbon from that row through the machine from that column. Copy and complete the chart.

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

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A store is having a 25% discount sale. Sheela has a Rs 50 gift voucher and wants to use it to buy a board game marked for Rs 320. She is not sure how to calculate the concession she will get. The sales clerk has suggested two ways to calculate the amount payable. - Method 1: Subtract Rs 50 from the price and take 25% off the resulting price. - Method 2: Take 25% off the original price and then subtract Rs 50. a. Do you think both the methods will give the same result? If not, predict which method

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

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Complete the following table: Find the total number of persons whose weights are given in the above

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

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Look at the shapes given below and state which of these are polyhedra using Euler’s formula.

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `(a – b)^2 – (b –

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

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Let E = 3, B = 7 and A = 4. Find the other digits in the sum

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

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The shoppers who come to a departmental store are marked as: man (M), woman(W), boy (B) or girl (G). The following list gives the shoppers who came during the first hour in the morning:W W W G B W W M G G M M W W W W G B M W B G G M W W M M W WW M W B W G M W W W W G W M M W W M W G W M G W M M B G G WMake a frequency distribution table using tally marks. Draw

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

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The product of two expressions is `x^5 + x^3 + x`. If one of them is `x^2 + x+ 1`, find the

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

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`a^m =

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

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`a^m xx b^m =

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

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Planet A is at a distance of `9.35 xx 10^6` km from Earth and planet B is `6.27 xx 10^7` km from Earth. Which planet is nearer to

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

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A store is having a 25% discount sale. Sheela has a Rs 50 gift voucher and wants to use it to buy a board game marked for Rs 320. She is not sure how to calculate the concession she will get. The sales clerk has suggested two ways to calculate the amount payable. - Method 1: Subtract Rs 50 from the price and take 25% off the resulting price. - Method 2: Take 25% off the original price and then subtract Rs 50. a. Do you think both the methods will give the same result? If not, predict which method

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

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The walls and ceiling of a room are to be plastered. The length, breadth and height of the room are 4.5 m, 3 m, and 350 cm respectively. Find the cost of plastering at the rate of Rs 8 per

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

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If y–coordinate is 3 times x -coordinate, form a table for it and draw a

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

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Find the multiplicative inverse of the following.

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

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Without adding, find the sum. 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 +

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

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