Maths Extra Questions surface areas and volumes for Class 9th Maths: Chapter 13 By Shivam Varshney - June 12, 2017 2 26453 Surface areas and Volumes NCERT extra questions for class 9 maths
in question no 2 , weight of the box is different from the weight of iron used in making the box as mentioned in its answer Reply
in question no 2 , weight of the box is different from the weight of iron used in making the box as mentioned in its answer
rest of the questions are good