If 72 ▆ 96 = 6927, 58 ▆ 87 = 7885, then 79 ▆ 86 = ? || ADRE 1.0 SLRC 2022 PAPER-IV SOLVED QUESTIONS
Question:
If 72 ▆ 96 = 6927, 58 ▆ 87 = 7885, then 79 ▆ 86 = ?
(A) 7689
(B) 8976
(C) 6897
(D) 6978
Solution:
Let's analyse the pattern:
72 ▆ 96 = 6927:
The digits of 96 are reversed to get 69, and the digits of 72 are reversed to get 27.
The combined result is 6927.
58 ▆ 87 = 7885:
The digits of 87 are reversed to get 78, and the digits of 58 are reversed to get 85.
The combined result is 7885.
Following this pattern:
79 ▆ 86 = ?:
Reverse the digits of 86 to get 68, and reverse the digits of 79 to get 97.
The combined result is 6897.
The correct answer is (C) 6897.
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