A circle is inscribed in a square. Another circle is
circumscribed in a square of the same side used earlier.
what is the ratio of the areas of the inscribed circle to
that of the circumscribed circle?
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If 5+3+2=151012, 5+4+5=202504, 7+2+5=143542 then 8+6+2= ?
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A person goes 4/5 of his usual speed reaches 10min late to his destination, time taken?