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The per cent of pure gold in 14 carat gold is about 58.3%. A 14 carat gold ring weighs 7.6 grams. How many grams of pure gold are in the
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Jan 18, 2022
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8th-maths
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marks4
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Assuming land to be uniformly fertile, the area of land and the yield on it
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marks1
chapter13
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Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and
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Jan 18, 2022
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yogita
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marks1
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Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains
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Jan 18, 2022
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sumit
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marks1
chapter13
#fib
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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
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marks1
chapter13
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If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ______
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marks1
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When the distance is kept fixed, speed and time vary directly with each
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Jan 18, 2022
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8th-maths
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purvi
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marks1
chapter13
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If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse
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Jan 18, 2022
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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
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From the following table, determine if x and y are in direct proportion or not. x 3 6 15 20 30 y 12 24 45 60 120
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A recipe for a particular type of muffins requires 1 cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?
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Jan 18, 2022
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How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m
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marks1
chapter11
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The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is
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marks1
chapter11
#mcq
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What is the area of the rhombus ABCD below if AC = 6 cm, and BE = 4cm?
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The area of a parallelogram is 60 `cm^2` and one of its altitude is 5 cm. The length of its corresponding side
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marks1
chapter11
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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
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Jan 18, 2022
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marks1
chapter11
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If the diagonals of a rhombus get doubled, then the area of the rhombus becomes __________ its original
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Jan 18, 2022
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marks1
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If a cube fits exactly in a cylinder with height h, then the volume of the cube is __________ and surface area of the cube is
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marks1
chapter11
#fib
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Volume of a cylinder with radius h and height r is
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nishit
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marks1
chapter11
#fib
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In the above question, curved surface area of A is ________ curved surface area of
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