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Class 10 Chapter  Areas Related to Circles Subject Math Category Important Question Answer Class 10 Math Chapter 11 Important Question Answer Q1. Find the area of the sector of a circle with radius 7 cm and the angle at the centre is 30°.  Most Most Important Ans. Given r = 7cm, … View more…

Class 10 Chapter  Circles Subject Math Category Important Question Answer Class 10 Math Chapter 10 Important Question Answer Q1. The lengths of tangents drawn from an external point to a circle are ___________. Ans. equal Q2. A circle can have _______ parallel tangents at the most. Most Important Ans. two Q3. … View more…

Class 10 Chapter  Some Application of Trigonometry Subject Math Category Important Question Answer Class 10 Math Chapter 9 Important Question Answer Q1. The shadow of a tower standing on a level ground is found to be 40 m longer when the altitude (the angle of elevation) of sun changes from … View more…

Class 10 Chapter  Introduction to Trigonometry Subject Math Category Important Question Answer Class 10 Math Chapter 8 Important Question Answer Q1. Prove that :  Ans. LHS RHS As we know sin2A + cos2A = 1. Therefore, 1 – cos2A = sin2A LHS = RHS Hence proved. Q2. Prove that : … View more…

Class 10 Chapter  Coordinate Geometry Subject Math Category Important Question Answer Class 10 Math Chapter 7 Important Question Answer Q1. Find the distance between the points (-5, 7) and (-1, 3). Most Important Ans. Distance between the points  = = = = Q2. Find the ratio in which the line joining … View more…

Class 10 Chapter  Triangles Subject Math Category Important Question Answer Class 10 Math Chapter 6 Important Question Answer Q1. Two polygons of the same number of sides are similar, if their corresponding angles are ___________. (equal, proportional) Ans. Equal Q2. If areas of two similar triangles are equal, then prove … View more…

Class 10 Chapter  Arithmetic Progressions Subject Math Category Important Question Answer Class 10 Math Chapter 5 Important Question Answer Q1. If the sum of first 7 terms of A. P. is 49 and sum of first 17 terms is 289, then find the sum of n terms of A. P. Most … View more…

Class 10 Chapter  Quadratic Equations Subject Math Category Important Question Answer Class 10 Math Chapter 4 Important Question Answer Q1. Find the root of the quadratic equation by factorization method. Ans. = = So, the roots of the equation are the values of x for which = 0 Now, x … View more…

Class 10 Chapter  Pair of Linear Equations in Two Variables Subject Math Category Important Question Answer Class 10 Math Chapter 3 Important Question Answer Q1. Solve the following pair of linear equations: 2x + 3y = 7 and 6x – 5y = 11. Ans. We have given 2x + 3y … View more…

Class 10 Chapter  Polynomials Subject Math Category Important Question Answer Class 10 Math Chapter 2 Important Question Answer Q1. Find a quadratic polynomial, the sum and product of whose zeroes are -3 and 2 respectively. Most Important Ans. Let the quadratic polynomial be ax2 + bx + c, and its zeroes … View more…