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(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) Exercise-1.1 1. Use Euclid’s division algorithm to find the HCF of : (i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255 2. Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer. 3. An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march? 4. Use Euclid’s division lemma to show that the square of any positive integer is either of the form 3m or 3m + 1 for some integer m. [Hint : Let x be any positive integer then it is of the form 3q, 3q + 1 or 3q + 2. Now square each of these and show that they can be rewritten in the form 3m or 3m + 1.] 5. Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m, 9m + 1 or 9m + 8. Answers:- ...
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-6:Lines and Angles Questions with step-by-step answers Exercise-6.1 Answers:- Exercise-6.2 Answers:- Exercise-6.3 Answers:-
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-13:Surface Area and Volume Questions with step-by-step answers Exercise-13.1 Answers:- Exercise-13.2 Answers:- Exercise-13.3 Answers:- Exercise-13.4 Answers:- Exercise-13.5 Answers:- Exercise-13.6 Answers:- Exercise-13.7 Answers:- Exercise-13.8 Answers:- Exercise-13.9 (Optional) Answers:-
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-10:Circles Questions with step-by-step answers Exercise-10.2 Answers:- Exercise-10.3 Answers:- Exercise-10.4 Answers:- Exercise-10.5 Answers:-
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-10 Maths Chapter-2:Polynomials Exercise-2.2 Questions with step-by-step answers Answers:-
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) Pythagoras (569 BCE – 479 BCE) The Pythagoreans in Greece, followers of the famous mathematician and philosopher Pythagoras, were the first to discover the numbers which were not rationals, around 400 BC. These numbers are called irrational numbers (irrationals), because they cannot be written in the form of a ratio of integers. There are many myths surrounding the discovery of irrational numbers by the Pythagorean, Hippacus of Croton. In all the myths, Hippacus has an unfortunate end, either for discovering that √2 is irrational or for disclosing the secret about √2 to people outside the secret Pythagorean sect ! G. Cantor (1845-1918) & R. Dedekind (1831-1916) In the 1870s two German mathematicians, Cantor and Dedekind, showed that: Corresponding to every real number, there is a point on the real n...
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-7:Triangles Questions with step-by-step answers Exercise-7.1 Answers:- Exercise-7.2 Answers:- Exercise-7.3 Answers:-
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-10 Maths Chapter-2:Polynomials Questions with step-by-step answers Exercise-2.2 Answers:- Exercise-2.3 Answers:- Exercise-2.4 (optional) Answers:- Extra Sums Worksheet - 1 Answers:- Worksheet - 2 Answers:-
(consider clicking the follow button for our efforts. It is similar to subscribe in YouTube) NCERT Class-9 Maths Chapter-12:Heron's Formula Questions with step-by-step answers Exercise-12.1 Answers:- Exercise-12.2 Answers:-
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