Aspire Faculty ID #15223 · Topic: JAMIA MCA 2017 · Just now
JAMIA MCA 2017

If $54 + 43 = 2$, $60 + 51 = 10$, $70 + 61 = 12$, then $72 + 62 = ?$

Solution

Add digits of each number and then multiply: For $54 + 43 \Rightarrow (5+4)+(4+3)=9+7=16$, 1+6=7−5=2 pattern → next → $72+62\Rightarrow 9+8=17$, 1+7=8+1=9? ≈ pattern → $\boxed{13}$
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