Recent questions tagged class 10

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Oxygen saturation levels refer to the extent haemoglobin is bound to oxygen. As altitude increases, the atmospheric pressure

asked Sep 13 in Science by Kamal (28.5k points)

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1 answer 194 views

Which of the following statements is TRUE about the uptake of water in plants?

asked Sep 13 in Science by Kamal (28.5k points)

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Metals are lustrous and shine especially when their freshly cut surfaces are exposed.

asked Sep 13 in Science by Kamal (28.5k points)

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During purification of a metal by electrolysis, what happens at the negative electrode?

asked Sep 13 in Science by Kamal (28.5k points)

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Galvanisation is a process of coating iron articles with a layer of zinc to prevent the iron from rusting.

asked Sep 13 in Science by Kamal (28.5k points)

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Some types of chemical reactions are listed below: decomposition, combination, displacement

asked Sep 13 in Science by Kamal (28.5k points)

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A single displacement reaction is represented below. PQ + R ----> PR + Q

asked Sep 13 in Science by Kamal (28.5k points)

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Wasim made a model of Pac-Man, after playing the famous video game of the same name. The area of the model is 120π cm2.

asked Sep 12 in Maths by Kabita (11.8k points)

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1 answer 174 views

ABCD is a rhombus with side 3 cm. Two arcs are drawn from points A and C respectively such that the radius equals the side

asked Sep 12 in Maths by Kabita (11.8k points)

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Shown below is a right circular cone of volume 13,600 cm3.

asked Sep 12 in Maths by Kabita (11.8k points)

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Shown below is a circle with centre O and three tangents drawn at points A, E and C. AE is a diameter of the circle.

asked Sep 12 in Maths by Kabita (11.8k points)

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1 answer 438 views

Kimaya and Heena started walking from the point P at the same moment in opposite directions on a 800 m long circular path

asked Sep 12 in Maths by Kamal (28.5k points)

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“The square root of every composite number is rational.” Justify your answer

asked Sep 12 in Maths by Kamal (28.5k points)

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Shown below is a solved trigonometric problem. (cosecθ+cotθ-1)/(cosecθ-cotθ+1)=

asked Sep 12 in Maths by Kamal (28.5k points)

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1 answer 149 views

In the figure below, PQRS is a square. What is the value of sin ∠SPT?

asked Sep 12 in Maths by Kamal (28.5k points)

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1 answer 275 views

Shown below is a table with values of cosecant and secant of different angles. θ (35° 65°),cosec θ (P 1.1) sec (90° - θ) 1.7 Q

asked Sep 12 in Maths by Kamal (28.5k points)

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1 answer 207 views

If QR = 12 cm and the radius of the circle is 7 cm, what is the perimeter of the polygon PQTRSO?

asked Sep 12 in Maths by Kamal (28.5k points)

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1 answer 249 views

Two circles with centres O and N touch each other at point P as shown. O, P and N are collinear.

asked Sep 12 in Maths by Kamal (28.5k points)

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1 answer 618 views

Harsha made a wind chime using a frame and metal rods. She punched 8 holes in the frame, each 2 cm apart

asked Sep 12 in Maths by Kamal (28.5k points)

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1 answer 76 views

Explain any one key impact that Gandhiji's rejection of "striking a bargain with the Viceroy for ministries and the like"

asked Sep 12 in Social Science by Kamal (28.5k points)

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