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100 persons had food provision for 24 days. If 20 persons left the place, the provision will last

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

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If two quantities x and y vary directly with each other,

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

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When two quantities x and y are in ______ proportion or vary ______ they are written as `x prop

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

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Both x and y are said to vary ______ with each other if for some positive number k, xy =

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

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Two quantities are said to vary ______ with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains

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

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If x varies directly as y, then x 12 6 y 48

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

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If x varies inversely as y and x = 4 when y = 6, then when x = 3 the value of y is

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

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In direct proportion, `(a_1)/(b_1)` __________

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

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If the area occupied by 15 postal stamps is 60 cm2, then the area occupied by 120 such postal stamps will be

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

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Devangi travels 50 m distance in 75 steps, then the distance travelled in 375 steps is _______

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

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Length of a side of a square and its area vary directly with each

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

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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 nishit (1.8k points)

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If p and q are in inverse variation then (p + 2) and (q – 2) are also in inverse

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

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If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is

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

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The cost of 27 kg of iron is Rs 1,080, what will be the cost of 120 kg of iron of the same

asked Jan 17, 2022 in 8th-maths by purvi (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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A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a shadow 8 m long at the same time. The lengths of the shadows are directly proprotional to their heights. Find the height of the tank

asked Jan 17, 2022 in 8th-maths by krutika (1.7k 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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Here is a key board of a harmonium: (a) Find the ratio of white keys to black keys on the keyboard. (b) What is the ratio of black keys to all keys on the given keyboard. (c) This pattern of keys is repeated on larger keyboard. How many black keys would you expect to find on a keyboard with 14 such

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

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