Question

plezzzzzzzz solve this question

Answer 1

hope it helps you

##AAYUSH JAIN

Answer 2

a12 = 37
a + 11d = 37
a + 11 × 3 = 37
a + 33 = 37
a = 4
Sn = n/2 [2a + (n-1)d]

S12 = 12/2 [2×4 + (12 -1) 3] = 6 ( 8 + 11 × 3) = 246