Recent questions tagged chapter13

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The perimeter of a circle and its diameter vary _______ with each

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

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A car is travelling 48 km in one hour. The distance travelled by the car in 12 minutes is

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

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An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h, the time taken by it to cover the same distance is

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

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If the thickness of a pile of 12 cardboard sheets is 45 mm, then the thickness of a pile of 240 sheets is _______

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

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

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

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In case of inverse proportion, `(a_2)/−

asked Jan 17, 2022 in 8th-maths by sumit (1.6k 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 yogita (1.8k points)

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If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ______

asked Jan 17, 2022 in 8th-maths by Arun (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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Two quantities x and y are said to vary directly with each other if for some rational number k, xy =

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

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When the speed is kept fixed, time and distance vary inversely with each

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

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When the distance is kept fixed, speed and time vary directly with each

asked Jan 17, 2022 in 8th-maths by purvi (1.8k 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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Length of a side of an equilateral triangle and its perimeter vary inversely with each

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

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If d varies directly as `t^2`, then we can write `dt^2` = k, where k is some

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

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If a tree 24 m high casts a shadow of 15 m, then the height of a pole that casts a shadow of 6 m under similar conditions is 9.6

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

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If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct

asked Jan 17, 2022 in 8th-maths by yogita (1.8k 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 sumit (1.6k 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 nikhil (1.8k points)

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