CBSE  2011 Class 10 Maths  Question 16 Solution
 Year: 2011
 Posted on: 19/02/2018
 99 Views
Question: Two concentric circles are of radii 7cm and r cm respectively, where r>7. A chord of the larger circle, of length 48cm, touches the smaller circle. Find the value of r.
View DetailsCBSE  2011 Class 10 Maths  Question 21 Solution
 Year: 2011
 Posted on: 19/02/2018
 100 Views
Question: A game consists of tossing a rupee coin 3 times. Hanif wins if he gets three heads or three tails and looses otherwise. Calculate the probability that hanif will loos
View DetailsCBSE  2011 Class 10 Maths  Question 24 Solution
 Year: 2011
 Posted on: 19/02/2018
 74 Views
Question: Determine the AP whose 4th term is 18 and the difference of the 9th and the 15th term is 30.
View DetailsCBSE  2011 Class 10 Maths  Question 25 Solution
 Year: 2011
 Posted on: 19/02/2018
 100 Views
Question: Find the root of the following quadratic equation: 2\(\sqrt{3}\)x\(^2\) 5x+\(\sqrt{3}\)=0
View DetailsCBSE  2011 Class 10 Maths  Question 32 Solution
 Year: 2011
 Posted on: 19/02/2018
 66 Views
Question: A motorboat whose speed is 20km per hour takes 1 hour more to go 48km upstream then to return downstream to the same spot. Find the speed of the stream. &nb
View DetailsCBSE  2011 Class 10 Maths  Question 30 Solution
 Year: 2011
 Posted on: 19/02/2018
 106 Views
Question: The length and breadth of a rectangluar piece of paper are 28cm and 14cm respectively. A semicircular portion is cut off from the breadth's side and a semi circular po
View DetailsCBSE  2011 Class 10 Maths  Question 12 Solution
 Year: 2011
 Posted on: 19/02/2018
 81 Views
Question: Find the value of 'm', so that the quadratic equation mx(5x6) + 9 = 0 has 2 equal roots.
View DetailsCBSE  2011 Class 10 Maths  Question 31 Solution
 Year: 2011
 Posted on: 19/02/2018
 47 Views
Question: From the top of a 15m high building, the angle of elevation of the cable tower is 60\(^0\) and the angle of depression of its foot is 30\(^0\). Determine the height o
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