Table of Contents
Ans.(c) 25
Explanation:
Let the height of the tower be H m.
Ans. (c) 75 katex is not definedExplanation:
Let the distance of the car from the base of the tower be x m.
Height of tower = 75 m
katex is not defined
Thus, distance of the parked car from the
base of the tower is katex is not defined
Ans.The height of the tower is h = 23.1 m and the depth of the tank is h= 16.9 m
Explanation:
Let BC be the tower of height h m and CD be the water tank of height katex is not defined m. Let A be a point on the ground at a distance of 40 m away from the foot B of the tower.
Ans. The speed of the airplane is 720 km/hr.
Explanation:
Let the ground distance between the airplane A and the point E be x m.
Given, height AD is katex is not defined and the angle of elevation is 60°
So, in ∆AED,
katex is not defined
Let the new distance (DC) covered by the airplane in 30 seconds be y m.
katex is not defined
Thus, distance covered in 30 seconds = 6000 m
katex is not defined
Hence, the speed of the airplane is 720 km/hr.
Explanation:
Let AD be the tower and B, C be the two objects on either side of AD.
Given, BC = d = BD + DC and AD = h
katex is not defined
Chapter No. | Chapter Name |
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Chapter 1 | Real Numbers |
Chapter 2 | Polynomials |
Chapter 3 | Pair of Linear Equations in Two Variable |
Chapter 4 | Quadratic Equations |
Chapter 5 | Arithmetic Progressions |
Chapter 6 | Triangles |
Chapter 7 | Coordinate Geometry |
Chapter 8 | Introduction to Trigonometry |
Chapter 9 | Some Applications of Trigonometry |
Chapter 10 | Circles |
Chapter 11 | Areas Related to Circle |
Chapter 12 | Surface Areas and Volumes |
Chapter 13 | Statistics |
Chapter 14 | Probability |
Chapter Wise Important Questions for CBSE Board Class 10 Maths |
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Real Numbers |
Polynomials |
Pair of Linear Equations in Two Variables |
Quadratic Equations |
Arithmetic Progressions |
Triangles |
Coordinate Geometry |
Introduction to Trigonometry |
Some Applications of Trigonometry |
Circles |
Areas Related to Circles |
Surface Areas and Volumes |
Statistics |
Probability |
CBSE Important Questions Class 10
ICSE Important Questions Class 10
CBSE Important Questions Class 10
ICSE Important Questions Class 10