Question discussion

If 532 + 781 = 21 and 862 + 910 = 21, then what is the value of 796 + 355 = ?

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CCommunity
(5+3+2) + (7+8+1) – 5 = 21
(8+6+2) + (9+1+0) – 5 = 21
(7+9+6) + (3+5+5) – 5 = 30

Hence (option ‘2’) is correct.