Question of The Day28-05-2020

What will be the angle between hour and minute hand when clock is showing 7 : 12?

Answer

Correct Answer : c ) 144^o

Explanation :

7 : 12 = 7 hours and 12 minutes

In 12 hours, hour hand moves 360°

So, in 7 hours hour hand will move= \({360 \over 12}\)×7=210°

Now, for every 60 minutes hour hand will move =\({1 \over 12}\) x 360^o= 30°

Therefore, in 12 minutes hours hand will move =\({30 \over 60}\)×12=6o

Therefore at 7 : 12, hour hand will move = 210 + 6 = 216° clockwise

Also, in 60 minutes, minute hand moves = 360°

So, in 12 minutes minute hand move=\({360 \over 60}\)×12=72^o clockwise

Therefore angle between hour and minute hand at 7 : 12 will be

Þ 2160 – 720 = 144°

Hence, (c) is the correct answer.

Watch Video Explanation:

Such type of question is asked in various government exams like SSC CGL, SSC MTS, SSC CPO, SSC CHSL, RRB JE, RRB NTPC etc.

Read Daily Current Affairs, Banking Awareness, Hindi Current Affairs, Word of the Day, and attempt free mock tests at PendulumEdu and boost your preparation for the actual exam.

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