# Which of the Following Are in Arithmetic Progression 1/2, 1/3 , 1/4 , 1/5 - Mathematics

Sum

Which of the following are in arithmetic progression

1/2, 1/3 , 1/4 , 1/5

#### Solution

1/2, 1/3 , 1/4 , 1/5

d_1 = 1/3 - 1/2 = (2 - 3)/6 = -1/6

d_2 = 1/4 - 1/3 = (3 - 4)/12 = -1/12

Since d_1 != d_2, the given sequence is not in arithematic progression

Concept: Arithmetic Progression - Finding Their General Term
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#### APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 10 Arithmetic Progression
Exercise 10 (A) | Q 1.4 | Page 137