CBSE NCERT Solutions for Class 10 Maths Chapter 1 Real Numbers Exercise 1.1

Ex 1.1 Class 10 Maths Question 1.

Use Euclid’s Division Algorithm to find the HCF of:
(i) 135 and 225
(ii) 196 and 38220
(iii) 867 and 255

Solution for Ex 1.1 Class 10 Maths Question 1

Ex 1.1 Class 10 Maths Question 1
Ex 1.1 Class 10 Maths Question 1.1 to 1.5 solution in English
Ex 1.1 Class 10 Maths Question 1.2 and 1.3
Ex 1.1 Class 10 Maths Question 1.2 and 1.3 in English

Ex 1.1 Class 10 Maths Question 2.

Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer.

Solution for Ex 1.1 Class 10 Maths Question 2

Ex 1.1 Class 10 Maths Question 2, Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer.
Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer.

 

Ex 1.1 Class 10 Maths Question 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?

Solution for Ex 1.1 Class 10 Maths Question 3

Ex 1.1 Class 10 Maths Question 3
 Ex 1.1 Class 10 Maths Question 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.

Solution for Ex 1.1 Class 10 Maths Question 4

Solution for Ex 1.1 Class 10 Maths Question 4

Ex 1.1 Class 10 Maths Question 5.

Use Euclid’s Division Lemma to show that the cube of any positive integer is either of the form 9m, 9m + 1 or 9m + 8.

Solution for Ex 1.1 Class 10 Maths Question 5

Solution for Ex 1.1 Class 10 Maths Question 5

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