Class 10 CBSE Guide, Maths - Arithmetic Progressions

Solutions of Ncert Mathematics Textbook Ex 5.2 on AP


CBSE Class 10, Ncert Solutions for Mathematics 

(SA-II / Term II)

Chapter 5, ARITHMETIC PROGRESSIONS

NCERT Solutions for Mathematics Textbook Exercise 5.2

(nth Term of an arithmetic progression / AP)

(Page 105, 106)

2: Choose the correct choice in the following and justify:

(i) 30th term of the AP: 10, 7, 4, . . . . . is

(A) 97  (B) 77  (C) –77  (D) –87

(ii) 11th term of the AP (Arithmetic Progression): –3, –1/2, 2, . . . is

(A) 28  (B) 22  (C) –38  (D) –48    

 3: In the following APs, find the missing terms in the boxes:

 CBSE Class 10, Arithmetic Progressions - NCERT Solutions of Exerciose 5.2 Q.3

4: Which term of the AP: 3, 8, 13, 18, . . . . , is 78 ?

5: Find the number of terms in each of the following APs:

(i) 7, 13, 19, . . . . , 205   

(ii) 18, 15 , 13, . . . . . , –47  

6: Check whether –150 is a term of the Arithmetic Progression (AP): 11, 8, 5, 2, . . .

7: Find the 31st term of an AP whose 11th term is 38 and the 16th term is 73.  

8: An AP consists of 50 terms of which third term is 12 and the last term is 106. Find the 29th term.

9: If the 3rd and the 9th terms of an AP are 4 and –8 respectively, which term of this AP is zero ?

10: The 17th term of an AP exceeds its 10th term by 7. Find the common difference.

 
To view the answers click Download the Solutions (Pdf)                              


For rest of the questions (Q Nos. 11 - 20) of NCERT Mathematics Textbook Exercise 5.2 (Arithmetic Progression) click below


Arithmetic Progressions - Class X CBSE Maths Ncert Solutions of Mathematics Textbook Ex 5.2 on AP