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Using only the numerical buttons of a calculator bring a total of 1000 by pressing the following: plus (+) sign: 24 times; 0 (zero): eight times; 1, 4, 5,6, 7, 8 and 9: four times; 2 and 3: six times.

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A s/w eng. returns from America. As he is fat he decided 2 have evening walk daily, He started at 3p.m.. He walks along the road at 4 km/hr for sometime. When he climbes a upward slope area at 3km/hr then downwards at the rate of 6km/hr. then back to the home thro the same road at 4 km/hr What is the distance he coverered in one way if he reaches back home at 9p.m. Take a lighted agarbatti (joss stick) and make sure of two Things: (1) the stream of smoke is clearly visible and (2) there is no Draught to disturb it. Now give gentle tugs of the wrist. At a certain Optimal amount of such tugging you can see rings of smoke forming in the Emanating chaotic smoke stream. I dont know if this is a known phenomenon or Not. If not, let the rings be known as owaiss rings. The question is, What causes these rings?