Question

Two arithmetic progrenssions has the same common the difference if the first term of the first progression is 3 and that of the other is 8 , then difference between their 3rd term is
a)2. b)3. c)4. d)5.​

Answer 1

Answer:

-5

Step-by-step explanation:

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Answer 2

Answer:

d) 5

Step-by-step explanation:

Let the common difference of two AP be d

First term of first AP = 3

First term of the second AP = 8

Then,

Third term of first AP = 3+2d

Third term of second AP = 8+2d

=>8+2d = 3+2d

=> 8-3+2d-2d

=>5

Therefore the difference between 3rd term is 5