CAT 1991 — DILR Question 32
Operator Based QuestionsEasy
Passage / Data
Study the following graph and answer questions that follow. The x – axis denotes the years from 1983 to 1991.

If 8 + 12 = 2, 7 + 14 = 3 then 10 + 18 = ?
Answer & solution
10
- B
4
- C
6
- D
18
Solution
Here logic is : A + B = (A + B) – 18
Hence, 10 + 18 = {(10 + 18) – 18} = 10.
Hence, option (a).