Wipro
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Numerical Ability
Clocks and Calendars
At what time between 3 and 4 p.m is the first right angle formed
Read Solution (Total 1)
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- When the angle is right, the degree between hour hand and the minute hand is 90 deg.
Apply the formula
Angle=11/2m-30h
90=11/2m-30*3
11/2m=180
m=180*2/11=32and8/11
And hence at 3pm past 32 and 8/11 min, the angle would be right angle - 12 years agoHelpfull: Yes(6) No(0)
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