Question 01: The angle of elevation of an aeroplane from a point on the ground is 45 o. After a flight of 15 seconds, the elevation changes to 30 o. If the aeroplane is flying at a constant height of 3000 meters, find the speed of the plane.
Sunday, October 04, 2015
class 10 Application of trigonometry solved Board Questions 2016
Class 10 Application of Trigonometry [Height and Distance] Solved Problems (14Q)
Question 01: The angle of elevation of an aeroplane from a point on the ground is 45 o. After a flight of 15 seconds, the elevation changes to 30 o. If the aeroplane is flying at a constant height of 3000 meters, find the speed of the plane.
Questions 02: A around balloon of radius r subtends an angle a at the eye of the observer while the angle of elevation of its centre is b , prove that the height of the centre of the balloon is r sin b cosec a/2
Question 01: The angle of elevation of an aeroplane from a point on the ground is 45 o. After a flight of 15 seconds, the elevation changes to 30 o. If the aeroplane is flying at a constant height of 3000 meters, find the speed of the plane.
Monday, February 10, 2014
CBSE MATH STUDY: sample paper class 8 dav board
sample paper class 8 dav board
Summative AssessmentII, Sample Papers for Practice
 
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DAV SAII Board Paper Mathematics [201314]

DAV SAII Board Paper Science [201314]

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DAV SAII Board Paper Science [20122013]

DAV SAII Board Paper Mathematics [201112]

DAV SAII Board Paper Science [20112012]

DAV SAII Board Paper Mathematics [201011]

DAV SAII Board Paper Science [20102011]


Sunday, November 17, 2013
CBSE SUMMATIVE ASSESSMENTII SAMPLE PAPER [Links] 2014
CBSE SUMMATIVE ASSESSMENTII SAMPLE
PAPER [Links]

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