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Question
Write the correct number in the given boxes from the following A. P.
1, 8, 15, 22,...
Here a =Here a =
t1 = 
, t2 = 
, t3 = ,
t2 – t1 = – =
t3 – t2 = – = ∴ d =
Solution
1, 8, 15, 22,...
Here a =(i) 1, 8, 15, 22,...
Here a = 
, t1 = 
, t2 = 
, t3 = 
,
t2 – t1 = 
- 
= 
t3 – t2 = 
– 
= 
∴ d = 
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