10th mathematics exercise questions with answers, Mathematics

Statistics- Exercise 14.1 – Class 10

A survey was conducted by a group of students as a part of their environment awareness program, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. number of plants 0-1 2-4 4-6 6-10 8-10 10-12 12-14 number of… Continue reading Statistics- Exercise 14.1 – Class 10

9th mathematics exercise question with answer, Mathematics

Multiplication of Polynomials – Exercise 3.1.4-Class 9

  Expand the following: (i) (a + b + 2c)2 Using (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc +2ca we get a = a, b = b and c = 2c (a + b + 2c)2 = a2 + b2 + (2c)2 + 2ab + 2b (2c)… Continue reading Multiplication of Polynomials – Exercise 3.1.4-Class 9

9th mathematics exercise question with answer, Mathematics

Multiplication of Polynomials Exercise 3.1.4-Class 9

Expand the following: (i) (a + b + 2c)2 Using (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc +2ca we get a = a, b = b and c = 2c (a + b + 2c)2 = a2 + b2 + (2c)2 + 2ab + 2b (2c) +… Continue reading Multiplication of Polynomials Exercise 3.1.4-Class 9