CBSE ADDA

SAMPLE PAPERS FOR MATHS BASIC BOARD EXAM 2020 Maths Basic Class X Sample Paper 01 for Board Exam 2020 Maths Basic Class X Sample Paper 02 for Board Exam 2020 Maths Basic Class X Sample Paper 03 for Board Exam 2020 Maths Basic Class X Sample Paper 04 for Board Exam 2020 Maths Basic Class X Sample Paper 05 for Board Exam 2020 Maths Basic Class X Sample Paper 06 for Board Exam 2020 Maths Basic Class X Sample Paper 07 for Board Exam 2020 Maths Basic Class X Sample Paper 08 for Board Exam 2020 Maths Basic Class X Sample Paper 09 for Board Exam 2020 Maths Basic Class X Sample Paper 10 for Board Exam 2020 SAMPLE PAPERS FOR MATHS STANDARD BOARD EXAM 2020 Maths Standard Class X Sample Paper 01 for Board Exam 2020 Maths Standard Class X Sample Paper 02 for Board Exam 2020 Maths Standard Class X Sample Paper 03 for Board Exam 2020 Maths Standard Class X Sample Paper 04 for Board Exam 2020 Maths Standard Class X Sample Paper 05 for Board Exam 2020 Maths Standar

Q Question Papers  class 9 and 10 Math Sample Papers For Periodic Test – 1 (Class VI-X) Download Peridic Test - II Question Papers 2017-18 class 9 and 10 Download 9th Maths Periodic Test 2 Question Paper 2017-18-1 Download File 9th Maths Periodic Test 2 Question Paper 2017-18-2 Download File 9th Hindi Periodic Test 2 Question Paper 2017-18-1 Download File 9th Science Periodic Test 2 Question Paper 2017-18-1 Download File 9th Science Periodic Test 2 Question Paper 2017-18-2 Download File 9th English Periodic Test 2 Question Paper 2017-18-1 Download File 9th S St.Periodic Test 2 Question Paper 2017-18-1 Download File 10th Maths Periodic Test 2 Question Paper 2017-18-1 Download File 10th Science Periodic Test 2 Question Paper 2017-18-1 Download File 10th S St. Science Periodic Test 2 Question Paper 2017-18-1 Download File 9th English Periodic Test 2 Question Paper 2017-18-1 Download File Source: Jsuniltutorial

1. Find the equation of the set of points which are equidistant from the points (1, 2, 3) and (3, 2, –1).   [Hint: let the point be P(x, y, z). given points be A(1, 2, 3) and B(3, 2, - 1). Then PA = PB] ans: x – 2z = 0 2.Find the equation of the set of points P, the sum of whose distances from A (4, 0, 0) and B (– 4, 0, 0) is equal to 10.  [Hint: let the point be P(x, y, z). given points be A(4, 0, 0) and B(-4, 0, 0). Then PA + PB = 10] 3.Find the coordinates of the point which divides the line segment joining the points (– 2, 3, 5) and (1, – 4, 6) in the ratio (i) 2 : 3 internally, (ii) 2 : 3 externally.  Ans: i) (-4/5, 1/5, 27/5) ii) (-8, 17, 3) 4.Given that P (3, 2, – 4), Q (5, 4, – 6) and R (9, 8, –10) are collinear. Find the ratio in which Q divides PR.  Ans : 1:2  5. Find the ratio in which the YZ-plane divides the line segment formed by joining the points (–2, 4, 7) and (3, –5, 8).  [hint: any point on YZ plane is of the form (0, y, z)] ans: 2:3  6. Find

You first read CBSE X Maths Constructions Solved Questions CONSTRUCTIONS Questions for self practice  1. Draw a line segment AB of length 4.4cm. Taking A as centre, draw a circle of radius 2cm and taking B as centre, draw another circle of radius 2.2cm. Construct tangents to each circle from the centre of the other circle. 2. Draw a pair of tangents to a circle of radius 2cm that are inclined to each other at an angle of 90. 3. Construct a tangent to a circle of radius 2cm from a point on the concentric circle of radius 2.6cm and measure its length. Also, verify the measurements by actual calculations. (length of tangent =2.1cm) 4. Construct an isosceles triangle whose base is 7cm and altitude 4cm and then construct another similar triangle whose sides are 3/2 times the corresponding sides of the isosceles triangle. 5. Draw a line segment AB of length 8cm. taking A as center, draw a circle of radius 4cm and taking B as centre, draw another circ

                                            ir 1. The number of solutions of the pair of linear equations  x +  2 y –  8 = 0 and 2 x +  4 y =  16 is : (a) 0 (b) 1 (c) infinitely many (d) none of these 2. The graphical representation of the pair of equations  x +  2 y –  4 = 0 and 2 x +  4 y –  12 = 0 represents (a) intersecting lines (b) parallel lines (c) coincident lines (d) all of these 3. If a pair of linear equations is consistent, then the lines will be : (a) parallel (b) always coincident (c) intersecting or coincident (d) always intersecting 4. The condition so that the pair of linear equations  kx +  3 y +  1 = 0, 2 x + y +  3 = 0 has exactly one solution is : (a)  k =  6 (b)  k  ≠ 6 (c)  k =  3 (d)  k  ≠ 3 5. The lines representing the linear equations 2 x – y =  3 and 4 x – y =  5 : (a) intersect at a point   (b) are parallel (c) are coincident (d) intersect at exactly two points 6. The pair of linear equations 2 x +  5 y = – 11 and 5 x +  15 y

X Chapter Tangent of Circle BY JSUNIL TUTORIAL Questions Bank for CBSE EXAMS 1. If radii of the two  concentric circles  are 15cm and 17cm , then find the length of each chord of one circle which is tangent to one other.  Ans. 16cm 2. If two tangents making an angle of 120 0   with each other , are drawn to a circle of radius 6cm, then find the angle between the two radii, which are drawn to the tangents.            Ans. 60 0 3. PQ is a chord of a circle and R is point on the minor arc. If PT is a tangent at point P such that  < QPT = 60  degree   then find <PRQ.                                Ans. 120 0   4. If a tangent PQ at a point P of a circle of radius 5cm meets a  line through  the centre O at a point Q such  that OQ = 12 cm then find the length of PQ.                            Ans. √119cm  5. From a point P, two tangents PA and PB are drawn to a  circle C (O,r) . If OP =2r ,then what is the type  of Triangle APB.                                  

CBSE ADDA Q . 1. Find a point on the x-axis which is equidistant from the points (7, 6) and (-3, 4). Q . 2. Show that the points A (1,2),B (5,4),C (3,8) and D (-1,6) are the vertices of a square. Q . 3. If A(6,-1), B(1,3) and C(k,8) are three points such that AB = BC, find the value of k. Q . 4. By distance formula, shoe that the points (1,-1), (5,2), (9,5), are collinear. Q . 5. Find the ratio in which the point P (m,6) divides the join of A(-4,3) and B(2,8). Also find the value of m. Q . 8. Show that the points (a, b + c), (b, c + a), (c, a + b), are collinear . Q . 9. Find the area of quadrilateral ABCD whose vertices are A (-5,7),B (-4,-5),C (-1,-6) and D(4,5). 10th Co-Ordinate Geometry Solved Problems-1 Download File 10th Co-Ordinate Geometry Solved Problems -2 Download File 10th Co-Ordinate Geometry Solved Problems-3 Download File 10th Co-Ordinate Geometry Solved Problems-4 Download File 10th Co-Ordinate Geometry Solved Problems-5 Downlo

CBSE Maths X Triangles – Criteria for Similarity of Triangles 10th math Converse of Thales theorem 10th math Triangles Thales theorem and angle bisector theorem 10th math SAS similarity of triangle 10th SSS similarity for two triangles are similar 10th AA- similarity for two triangles are similar class 10 similar-triangles study links

X Similar Triangle test paper MCQ's (JNV)  New Pattern Download File X Similar Triangle test paper(MCQ) Download File 10th Triangle Solved questions Download File JSUNIL TUTORIAL

CBSE ADDA Q . 1. Find a point on the x-axis which is equidistance from the points (7, 6) and (-3, 4). Q . 2. Show that the points A (1,2),B (5,4),C (3,8) and D (-1,6) are the vertices of a square. Q . 3. If A(6,-1), B(1,3) and C(k,8) are three points such that AB = BC, find the value of k. Q . 4. By distance formula, shoe that the points (1,-1), (5,2), (9,5), are collinear. Q . 5. Find the ratio in which the point P (m,6) divides the join of A(-4,3) and B(2,8). Also find the value of m. Q . 6. In what ratio is the line segment joining the points (-2,-3) and (3,7) divided by the y-axis . Also. find the coordinates of the points of division. Q . 7. Two vertices of a ABC are given by A(6,4) and (-2,2), and its centroid is G(3,4).Find the coordinates of the third vertex C of  triangle ABC. Q . 8. Show that the points (a, b + c), (b, c + a), (c, a + b), are collinear . . Q . 9. Find the area of quadrilateral ABCD whose vertices are A (-5,7),B (-4,-5),C (-1,-6) and D(4,5) For more prac

CBSE ADDA Q. 1. Determine k so that k + 2, 4k - 6 and 3k - 2 are three consecutive terms of an AP. Q. 2. If mth term of A.P. is , and nth term is , show that the mnth terms is 1. Q. 3. A circle is completely divided into n sectors in such a way that the angles of the sectors are in arithmetic progression. If the smallest-of these angles is 8° and the largest 72°, calculate n and the angle in the fourth sector. Q. 4. Which term of AP: 3, 10, 17 ... will be 84 more than its 13th term? Q. 5. If 9th term of an AP is zero, prove that 29th term is double the 19th term. Q. 6. Find a, b such that 27, a, b - 6 are in A.P. Q. 7. For what value of n, the nth terms of the sequences 3, 10, 17,... and 63, 65, 67,... are equal. Q. 8. If m times the mth term of an AP is equal to n times its nth term show that the (m + n)th term of the AP is zero. Q. 9. A person buys National Savings Certificates of value exceeding the last year's purchase by Rs.500. After 10 years he finds the t

CBSE ADDA Q. 1. Which term of the AP 21, 18, 15, ………… is – 81 ? Also any term 0? Q. 2. Is 68 a term of the AP 7, 10, 13, ………? Q. 3. The 10th term of an AP is 52 and 16th term is 82. Find the 32nd term. Q. 4. Find the sum of a + b, a – b, a – 3b,…….. to 22 terms. Q. 5. Find the sum of first 15 terms of an AP, whose nth term is 9 – 5n. Q. 6. If 6 times the 6th term is equal to 9 times the 9th term of an AP find its 15th term. Q. 7. Which term of AP 5, 13, 21, ………. Will be 72 less than its 17th term? Q. 8. If 1/x + 2 , 1/ x +3 , 1/ x + 5 are in AP then find x. Q. 9. Which term of the AP 32, 29, 26, ………. Is its first negative term? Q. 10. If the sum of first 20 terms of an AP is one third of the sum of next 20 terms. If first term is 1 , then find the sum of first 30 terms. Q. 11. Find the sum of all the three digits numbers each of which leaves the remainder 3 when divided by 5. Q. 12. If mth and nth terms of an AP are 1/n and 1/m respectively, t

One mark question Q1. Name the type of fission carried out by amoeba.        Ans.  Binary fission. Q2.  What is vegetative propagation? Ans. When new plants are grown by using vegetative parts like root, stem and leaves it is known as vegetative propagation. Q3. Name an organism which reproduces by multiple fission. Ans. Plasmodium {malarial parasite} Q4. What is Puberty? Ans. The age at which the human males and females becomes sexually mature is called puberty. Q5. What is pollination? Ans. The transfer of pollen grains from anther to the stigma of the same or another flower of the same kind is called pollination. Q6. What is fertilization? Ans. The fusion of male and female gametes is called fertilization. Q7. What is placenta? Ans. The tissue connecting developing embryo {foetus} and mother is called placenta. Q8. What is asexual reproduction? Ans. The process of reproduction in which only one parent is involved and no sex