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

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

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

asked Jan 17, 2022 in 8th-maths by krutika (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 nikhil (1.8k 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 uday (1.6k 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 Arun (1.7k 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 yogita (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 vaibhav (1.7k points)

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(i) Number of students in a hostel and consumption of food. (ii) Area of the walls of a room and the cost of white washing the walls. (iii) The number of people working and the quantity of work. (iv) Simple interest on a given sum and the rate of interest. (v) Compound interest on a given sum and the sum

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

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The parallel sides of a trapezium are 40 cm and 20 cm. If its non-parallel sides are both equal, each being 26 cm, find the area of the

asked Jan 17, 2022 in 8th-maths by purvi (1.8k 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 purvi (1.8k 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 krutika (1.7k points)

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If the radius of a cylinder is tripled but its curved surface area is unchanged, then its height will

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

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A metal sheet 27 cm long, 8 cm broad and 1 cm thick is melted into a cube. The side of the cube

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

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If R is the radius of the base of the hat, then the total outer surface area of the hat is

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

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A cube of side 5 cm is cut into 1 cm cubes. The percentage increase in volume after such cutting is

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

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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

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

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If the diagonal d of a quadrilateral is doubled and the heights `(h_1)` and `(h_2)` falling on d are halved, then the area of quadrilateral is

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

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The surface area of a cube formed by cutting a cuboid of dimensions `2 xx 1 xx 1 in 2` equal parts is 2 sq.

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

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