CBSE ADDA

Topic included Factories taking common factors Factories regrouping terms Factories using algebraic identity Factories by spliting middle term For more practice paper visit : Jsuniltutorial.in

Class 8th Time and Work-1 8th Time and work Test paper solved 2018-1 Download File 8th Time and work Test paper solved 2018-2 Download File For more Download Class VIII Mathematics VIII Algebra                       VIII Commercial Maths             VIII Geometry & Mensuration 1. Ramdin can reap a field in 30 days. What part of the field would he have reaped in 25 days? 2. If 12 men working 8 hours a day can construct a shed in 5 days, then in how many days will 8 men working 10 hours a day complete the same job? 3. Three ants separately can gobble a dead grasshopper in 3, 4 and 6 days respectively. How many days will they take together to finish off the poor chap? If the grasshopper weighs 63 grams, find the share of each. 4. If a chicken lays an egg and a half in a day. how long does it take to get a dozen eggs from a chicken? 5. A dozen pens cost 15 rupees. How much would a hundred pens cost? 6. 400 grams cake costs 80 rupees. How

Rational Numbers test paper for class 08 Mathematics. These test papers include all main concepts of the chapter in CBSE class 08 Mathematics. It is very useful for testing and commanding over the topic and to excel in various Olympiads and other competitions  Introduction  Properties of Rational Numbers  Representation of Rational Numbers on the Number line.  Rational Numbers between two rational numbers. Learning Objectives:  The students learn to represent rational numbers on the number line. They learn to verify various properties taking different values. 8th maths Rational Number CBSE Test Paper - 01 8th maths Rational Number CBSE Test Paper - 02 8th maths Rational Number CBSE Test Paper - 03 8th maths Rational Number CBSE Test Paper - 04 8th maths Rational Number CBSE Test Paper - 05 Download Files 8th maths Rational Number CBSE Worksheet - 01 8th maths Rational Number CBSE Worksheet - 02 8th maths Rational Number CBSE Worksheet - 03 8th maths Rational

8th Maths Sample paper for  Practice  1. What least number must be subtracted from 7250 to get a perfect square? Also, find the square root of this perfect square 2. What is the least number by which 12348must be divided to obtain a perfect square? 3. Find the cost of erecting a fence around a square field whose area is 9 hectares if fencing costs Rs 3.50 per metre 4. Find the least number of six digits which is a perfect square. Find the square root of this number. 5. Divide (1) x3 - 1 by x - 1 (2) 7 +15x -13x2 +5x3 by 4 - 3x + x2 6. . x + y + z = 0, prove that x 3+ y3 + z3 = 3xyz. Or, Factorize : (a8 – b8) 7. If ( x2 + 1/X2) = 83 . Find X3- 1/X3 Or, , Factorize (i) 25a² – 4b² + 28bc – 49c² (ii) 5y² – 20y – 8z + 2yz 8. A motor boat covers a certain distance downstream in a river in 5 hours. It covers the same distance upstream in 6 hours. The speed of water is 2 km/hr . Find the speed of the boat in still water. 9. Th

Point to Remember 1. .Five measurement can determine a quadrilateral uniquely. 2. A quadrilateral can be constructed uniquely if Its four sides and one diagonal is given. Its two adjacent sides and three angles are known. Its three sides and two included angles are given. Its other special properties are known (rectangle, square, rhombus, parallelogram). Its three sides and two diagonals given. For more study Construction of quadrilateral Practice Questions (View/Read/Download) Construction of quadrilateral  CBSE Test Paper (View/Read/Download) Construction of quadrilateral  CBSE Test Paper  (View/Read/Download) 1. How many measurement s can determine a quadrilateral uniquely? Ans: 5  2. How many measurements can determine a square?  Ans: 1  3. How many measurements can determine a parallelogram uniquely?  Ans: 3  4. How many measurement can determine a rhom

ORAL QUESTIONS CLASS VIII MATHS TOPIC :- GEOMETRY 01.  Define a Polygon . 02. How many  sides  are  there in Quadrilateral ? 03. How many sides  are there  in Octagon ? 04. What is a regular  Polygon ? 05.  What is a Diagonal? 06. What is the sum measures  of angles  of the  Convex  Quadrilateral ? 07.  How many sides  does  Heptagon  has ? 08.  Say True / False:  The polygon  with minimum  number  of sides  is three . 09.  Tell  the formula  to  find sum of all interior  angles of a polygon. 10.  What  are  the Maximum  number  of   right  angles in  the right  angled  triangle? 11.  What is the sum of interior angles of a Parallelogram ? 12.   What  is a Parallelogram ? 13.  What  is Rhombus ? 14.  What  is Rectangle ? 15.  Name the closed  figure  with 4 sides  . 16.  What is the number of sides  in hexagon  ? 17.   How many Diagonals does  a  regular  hexagon  have? 18.   What  is the Sum of interior angles  of a Pentagon ? 19.   What is the  sum  of the me

1. A bat ate 1050 dragon flies on four consecutive nights. Each night she ate 25 more than on the night before. How many did she eat on first night?  (a) 225         (b) 250    (c) 275         (d) 300 Sol:  (a) Let no. of dragonflies ate by bat an first day = x   and   second day = x + 25   third day  = x + 50  fourth day  = x + 75    A/Q   x + x + 25 + x + 50 + x + 75 = 1050  x = 224 2. A cuube has  (a) 8 vertices, 12 edges and 6 flat surfaces.               (b) 4 vertices, 6 edges, 6 flat surfaces. (c) 4 vertices, 12 edges and 4 flat surfaces.  (d) 8 vertices, 6 edges, 4 flat surfaces. Sol:  (a) 4. In the word Mathematics , the ratio of number of consonants to the number of vowels is (a) 4:7 (b) 7: 4 (c) 5:6 (d) 6:5 Sol: (b) 7:4 5. Who is the father of Geometry?     (a) Pythagoras (b) Thales    (c) Archimedes (d) Euclid. Sol: (d) Euclid 6. A milkman mixes 20 liters of water with 80 liters of milk. After selling one-fourth of this m