Challenging Problem

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Source: — Problem Solving |

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by nervesofsteel » Wed Aug 20, 2008 5:06 pm
There is no definite answer for this question

As 2*5*7*11 = 770
also -2*(-5)*(-7)*(-11) = 770

in both cases value of w+z is different

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by parallel_chase » Wed Aug 20, 2008 5:13 pm
770 = 2*5*7*11

prime factorize 770 and you'll get the exact above.

770=wxyz

we know that

w<x<y<z
2<5<7<11

Hence w+z = 2+11 = 13

Hope this helps.