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scZoUnD [109]
4 years ago
12

Here is an easy puzzle:

Mathematics
1 answer:
galina1969 [7]4 years ago
4 0
The answer is 
date
1                  2                 3          4             5                                         31
r1                r2               r3           r4          r5               .  .  .                  r31
1gm           2gms         3<span>gms     4gms    5gms        .   .  .                 31gms

r1+r2+ .... +r31= 31(31+1) /2=496gms  (31 rings)

he only made 5 rings

31 rings----------> 496 gms
5 rings ------------> ? = 5 x496  / 31=80 gms

</span><span> the weights of those 5 rings was 80 gms</span>
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