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Purnima Lodha
added on Fri Feb 20 11:07:07 UTC 2015 201 views

Question - Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact.
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Purnima Lodha
added on Fri Feb 20 12:00:03 UTC 2015 171 views

Question - Show that the points (-2, 3), (8, 3) and (6, 7) are the vertices of a right triangle.
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Reema Narula
added on Fri Feb 20 10:21:32 UTC 2015 165 views

Question - The largest possible sphere is carved out of a wooden solid cube of side 7 em. Find the volume of the wood left. [ Use ----]
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Purnima Lodha
added on Mon Mar 02 13:14:47 UTC 2015 163 views

Question - A card is drawn at random from a well shuffled pack of 52 playing cards. Find the probability that the drawn card is neither a king nor a queen.
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2015 CBSE Class 10: Solved questions contain the following topics
Coordinate Geometry,
Arithmetic Progression,
Quadratic Equations,
Circles and Tangent to Circles,
Constructions,
Trigonometry & Applications of Trigonometry - Heights and Distances,
Probability,
Combination of Solids,
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2015 CBSE Class 10: Solved questions contain the following topics:
Quadratic Equations,
Trigonometry,
Probability,
Circles.
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Reema Narula
added on Fri Feb 20 10:28:22 UTC 2015 135 views

Question - Water in a canal, 6 m wide and 1.5 m deep, is flowing at a speed of 4 km/h. How much area will it irrigate in 10 minutes, if 8 cm of standing water is needed for irrigation?
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Reema Narula
added on Fri Feb 20 10:58:21 UTC 2015 131 views

Question - The angle of elevation of the top of a tower at a distance of 120 m from a point A on the ground is 45°. If the angle of elevation of the top of a flagstaff fixed at the top of the tower, at A is 60°, then find the height of the flagstaff. [Use -----]
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Reema Narula
added on Fri Feb 20 10:22:16 UTC 2015 120 views

Question - 150 spherical marbles, each of diameter 1.4 cm, are dropped in a cylindrical vessel of diameter 7 cm containing some water, which are completely immersed in water. Find the rise in the level of water in the vessel.
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Purnima Lodha
added on Fri Feb 20 11:22:59 UTC 2015 112 views

Question - Solve the following quadratic equation for x: ------------
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Purnima Lodha
added on Fri Feb 20 11:54:20 UTC 2015 100 views

Question - Find the number of terms of the AP -12, -9, -6,... 12. If 1 is added to each term of this AP, then find the sum of all terms of the AP thus obtained.
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Purnima Lodha
added on Fri Feb 20 11:09:29 UTC 2015 99 views

Question - Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular card board of dimensions 14 cm ---- 7 cm. Find the area of the remaining card board. [Use ------]
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Purnima Lodha
added on Fri Feb 20 11:28:51 UTC 2015 96 views

Question - Sum of the areas of two squares is 400 cm^2. If the difference of their perimeters is 16 cm, find the sides of the two squares.
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Reema Narula
added on Mon Mar 02 14:07:01 UTC 2015 95 views

Question - In Figure 2, ABCD is a trapezium of area 24.5 sq. cm. In it, AD|| BC, ----DAB = 90°, AD = 10 cm and BC = 4 cm. If ABE is a quadrant of a circle, find the area of the shaded region. [ Use ------ ]
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Purnima Lodha
added on Fri Feb 27 13:18:41 UTC 2015 94 views

Question - Sum of the first 20 terms of an AP is -240, and its first term is 7. Find its 24th term.
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Purnima Lodha
added on Fri Feb 20 11:57:36 UTC 2015 91 views

Question - In fig., a circle is inscribed in triangle ABC touches its sides AB, BC and AC at points D, E and F respectively. If AB = 12 cm, BC = 8 cm and AC = 10 cm, then find the length of AD, BE and CF.
----------
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Purnima Lodha
added on Fri Feb 20 11:31:32 UTC 2015 91 views

Question - Two poles of equal heights are standing opposite each other on either side of the roads, which is 80 m wide. From a point between them on the road, the angles of elevation of the top of the poles are 60^o and 30^o respectively. Find the height of the poles and the distances of the point from the poles.
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2015 CBSE Class 10: Solved questions contain the following topics:
Circles and Tangents to circles,
Coordinate Geometry,
Quadratic equations,
Arithmetic progression.
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Purnima Lodha
added on Fri Feb 27 12:20:58 UTC 2015 88 views

Question - The 16th term of an AP is 1 more than twice its 8th term. If the 12th term of the AP is 47, then find its nth term.
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Purnima Lodha
added on Mon Mar 02 13:12:39 UTC 2015 83 views

Question - A wooden toy was made by scooping out a hemisphere of same radius from each end of a solid cylinder. If the height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the volume of wood in the toy. [Use --------]
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