cbse-sample-papers-for-class-10-maths-sa2-paper-2-q17-to-q21-part-3

# Interactive video lesson plan for: CBSE sample papers for Class 10 Maths SA2 Paper 2 Q17 to Q21 (Part 3)

#### Activity overview:

CBSE sample papers for Class 10 Maths SA2 Paper 2 Q17 to Q21 (Part 3)
http://www.learncbse.in/cbse-sample-papers-class-10-maths/

00:02 CBSE sample papers for Class 10 Maths SA2 Paper 2 q17 A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute if the diameter of the wheel is 60 cm. Calculate the speed per hour which the boy is cycling.
04:21 CBSE sample papers for Class 10 Maths SA2 Paper 2 q18 The horizontal distance between two poles is 15 m. The angle of depression of the top of first pole as seen from the top of second pole is 30. If the height of the second pole is 24 m, find the height of the first pole.
10:32 CBSE sample papers for Class 10 Maths SA2 Paper 2 q19 Prove that the points (7, 10), (—2,5) and (3, —4) are the vertices of an isosceles right triangle.
17:19 CBSE sample papers for Class 10 Maths SA2 Paper 2 q20 In what ratio does y-axis divide the join of (— 2, 1) and (4, 5) ? Find the coordinates of the point of intersection.
20:42 CBSE sample papers for Class 10 Maths SA2 Paper 2 q21 A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of stream.

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