Question

Find t24 for the given AP 12,16,20,24........​

Answer 1

Answer:

12, 16, 20, 24..............

a = 12,    d = 16 - 12 = 4    , n = 24

$t_{24}$ = a + ( n-1 )d

$t_{24}$ = 12 + ( 24 - 1 ) × 4

    = 12 + 23 × 4

    = 12 + 92

$t_{24}$ = 104