CMAT 2018 Solved Question Paper

From the given value of B = 6 and D = 30
AB + C = D
⇒ 6A + C = 30 ...(i)
From value of B = 8 and D = 30
AB + C = D
⇒ 8A + C = 36 ...(ii)
From Eqs. (i) and (ii), we get
2A = 6 ⇒ A = 3
Put A = 3 in Eq. (i),
18 + C = 30 and C = 12
∴ A = 3 and C = 12