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Test # 115


1.
Two pipes A and B can fill a tank in 4 & 5 hrs respectively. If they are turned on alternately for 1 hr each, the time taken to fill the tank is

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Idiom of the Day

get (something) off one's chest
to talk about something that has been bothering you
I told my father about my problem at work so that I could get it off my chest.
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  • Play Boxing

    Jab

    A quick, straight punch thrown with the lead hand from the guard position. The jab is accompanied by a small, clockwise rotation of the torso and hips, while the fist rotates 90 degrees, becoming horizontal upon impact. As the punch reaches full extension, the lead shoulder can be brought up to guard the chin. The rear hand remains next to the face to guard the jaw. After making contact with the target, the lead hand is retracted quickly to resume a guard position in front of the face. The jab is recognized as the most important punch in a boxers arsenal because it provides a fair amount of its own cover and it leaves the least amount of space for a counter punch from the opponent. It has the longest reach of any punch and does not require commitment or large weight transfers. Due to its relatively weak power, the jab is often used as a tool to gauge distances, probe an opponents defenses, harass an opponent, and set up heavier, more powerful punches. A halfstep may be added, moving the entire body into the punch, for additional power. Some notable boxers who have been able to develop relative power in their jabs and use it to punish or wear down their opponents to some effect include Larry Holmes and Wladimir Klitschko.


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