Maths By SK

NCERT Solutions for  class 10 maths chapter 7 exercise 7.1 NCERT Solutions for Maths Chapter 7, Exercise 7.1 involve complete  answers for each question in the exercise 7.1. The solutions provide students a strategic methods  to …

1. Find the volume of a sphere whose radius is (i) 7 cm (ii) 0.63 m (Assume \(π = {22\over 7}\)) Solution: (i) Radius of the sphere, r = 7 cm Using, Volume of the sphere =  \({4\over3} πr^3\) = \({4\over3}×{22\over7}×7^3\) = \(…

class 9 maths chapter 11 exercise 11.3 ncert class 9 maths chapter 11 solution, Surface Areas and Volumes Exercise 11.3 involve complete answers for each question in the exercise 11.3. The solutions provide students a strategic …

Question 1 Find the degree measures of the following angles using your protractor. Image Descriptions & Analysis: First Angle (\(\angle HIJ\)): Visual : A vertical ray going up (\(IH\)) and a horizontal ray going right (\(…

Introductory Question Question: Angles are classified into three groups as shown below. Right angles are shown in the second group. What could be the common feature of the other two groups? Answer: First Group (Left):   All an…

Q1. How many right angles do the windows of your classroom contain? Do you see other right angles in your classroom? Answer: A rectangular window has 4 right angles. Yes, many other objects in the classroom also have right angl…

Jump Size Problem Jump Jackpot Jumpy and Grumpy play a game.Grumpy places a treasure on some number.  For example, he may place it on 24. Jumpy chooses a jump size. If he chooses 4, then he has to jump only on multiples of 4, s…