CBSE Class 10 Mathematics (Blind) Question Paper 2017 with Answer Key (April 3, Set 4- 40(B))

CBSE X Questions

• 1.

  PQ and PR are two tangents to a circle with centre O and radius 5 cm. AB is another tangent to the circle at C which lies on OP. If OP = 13 cm, then find the length AB and PA.
  

  

  View Solution

  ---

• 2.

  Prove that: $\frac{\tan \theta}{1 - \cot \theta} + \frac{\cot \theta}{1 - \tan \theta} = 1 + \tan \theta + \cot \theta$

  View Solution

  ---

• 3.

  How does the change in curvature of the eye lens help us in the process of seeing the nearby objects clearly?

  View Solution

  ---

• 4.

  A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.

  View Solution

  ---

• 5.

  Assertion (A) : The system of linear equations $3x - 5y + 7 = 0$ and $-6x + 10y + 14 = 0$ is inconsistent.
  Reason (R) : When two linear equations don't have unique solution, they always represent parallel lines.

  • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
  • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
  • Assertion (A) is true, but Reason (R) is false.
  • Assertion (A) is false, but Reason (R) is true.
  View Solution

  ---

• 6.

  Use graphical method to solve the system of linear equations : $x = -3$ and $5x - 2y = -5$.

  View Solution