Arithematic Progressions Foundation CUET CBSE questions

CBSE - Arithematic Progressions

 

Arithematic Progressions 

If  9, a, b, –6 are in Arithmetic progression, then a + b =

(1)  1  
(2)  5
(3)  15
(4)  3

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 4

Solution :

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