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  • Check what the result would have been if Sundaram had chosen the numbers shown below. 4. 17

 Check what the result would have been if Sundaram had chosen the numbers shown below.

    Q4. 17

Answers (1)

best_answer

17 + 71 = 88 = 11*8 = a multiple of 11

this can be explained by 

(10a + b) + (10b + a) = 11a + 11b = 11 (a + b)

here a = 1 and b = 7

Posted by

Pankaj Sanodiya

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