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If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse

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

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The number of workers and the time to complete a job is a case of direct

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

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For fixed time period and rate of interest, the simple interest is directly proportional to the

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

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If x varies inversely as y and x = 20 when y = 600, find y when x =

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

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It is given that l varies directly as m. (i) Write an equation which relates l and m. (ii) Find the constant of proportion (k), when l is 6 then m is

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

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If Naresh walks 250 steps to cover a distance of 200 metres, find the distance travelled in 350

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

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From the following table, determine if x and y are in direct proportion or not. x 4 7 10 16 y 24 42 60 96

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

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Shabnam takes 20 minutes to reach her school if she goes at a speed of 6 km/h. If she wants to reach school in 24 minutes, what should be her

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

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Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at a speed of 10km/h, then he reaches his school late by 8 minutes but on travelling at 16 km/h he reaches the school 10 minutes early. At what time does the school

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

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Pattern B consists of four tiles like pattern A. Write a proportion involving red dots and blue dots in pattern A and B. Are they in direct proportion? If yes, write the constant of proportion.

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

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The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold. (a) How much money would Anju’s class make for selling 102 posters? (b) Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not,

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

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A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cubes and cut-out

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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The volume of a cube whose edge is 3x

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

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Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube

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

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The surface area of a cuboid formed by joining two cubes of side a face to face is

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

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The volume of a cylinder which exactly fits in a cube of side a is

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

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__________ surface area of room = area of 4

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

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Two cylinders of same volume have their radii in the ratio 1:6, then ratio of their heights is

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

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Two cylinders with equal volume will always have equal surface

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

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