ABC26GN0014 · Number System

Subject: General Aptitude · Chapter: Number System · Exam: · Marks: · Difficulty:

If $\Delta$ stands for the operation 'adding first number to twice the second number', then find the value of $(1 \Delta 2) \Delta 3$.
Answer
Answer (as printed):
Explanation
(1 $\Delta$ 2) $\Delta$ 3 = (1 + 2 × 2) $\Delta$ 3 = 5 $\Delta$ 3 = 5 + 2 × 3 = 5 + 6 = 11.

Explanation as extracted from the printed page; notation may be imperfect.

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