Question

which term of ap 10, 15, 20 is 110​

Answer 1

The position of term 110 is 25

Step-by-step explanation:

GIVEN

a = t1 = 10 , t2 = 15 , t3 = 20 , ...

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Difference = t2 - t1 = 15 - 10 = 5

Difference = 5

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To find the term,

We know that,

an = a + ( n – 1 ) × d

110 = 10 + ( x - 1 ) × 5

110 = 10 + ( 5x - 5 )

110 = 15 + 5x

110 + 15 = 5x

125 = 5x

x = 125 / 5

x = 25

The position of term 110 is 25