Question

The common difference in the arithmetic progression 100,93,86________is
a 4 b 8 c 7 d -7​

Answer 1

Answer:

(d) -7

Step-by-step explanation:

C.D. = $a_{2} - a_1$

= 93 - 100

= -7

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Answer 2

The common difference in the arithmetic progression 100 , 93 , 86 is - 7

Given :

The arithmetic progression 100 , 93 , 86

To find :

The common difference in the arithmetic progression 100 , 93 , 86 is

a. 4

b. 8

c. 7

d. - 7

Solution :

Step 1 of 2 :

Write down the given arithmetic progression

The arithmetic progression is 100 , 93 , 86

Step 2 of 2 :

Find common difference

Common difference is the difference between two consecutive terms in an arithmetic progression

The required common difference

= 2nd term - 1st term

= 93 - 100

= - 7

Hence the correct option is d. - 7

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