Clocks - Tricks & Shortcuts for Placement tests, Job Interviews & Exams

Crack the logical reasoning section of Placement Test or Job Interview at any company with shortcuts & tricks on Clocks. Extremely helpful for the preparation of entrance exams like MBA, Banking – IBPS, SBI, UPSC, SSC, Railways etc.

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0:00 Logical Reasoning
0:42 IMPORTANT TIPS
11:36 Again Some More Tips
28:08 What angle is formed between the minutes hand and seconds hand of clock if they are 25 minutes apart?
30:01 What will be angle between the two hands of a clock at 10.25 pm?
35:18 If the minute hand of a clock has moved 300', how many degrees has the hour hand moved?
36:24 A clock when seen in a mirror shows 11:25. What is the correct time?
36:58 If real time is 12:10 then what will be mirror image of that clock?
37:52 Ramesh sets his grandfather's clock to the right time at 2.00 am on Thursday. But he didn't know that the clock gains 20s for every 3 hours. What will the clock indicate on Friday night 6.30 pm?
41:00 A clock loses 5 minutes every hour and was set right at 11AM on a Monday. When will it show the correct time again?
44:44 My watch, which gains uniformly, is 2 minutes behind at noon on Sunday, and is 4 min 48 seconds ahead at 2pm on the following
53:22 When will the clock's hands be in a straight line but pointing in opposite directions between 2 am and 3 am?
55:21 When will be both hands of a clock at right angle, between 8pm and 9pm?
59:17 Ramesh wants to set the clock hands 8 minutes apart between 10 o'clock and 11 o'clock. What would be the time shown in the clock if he does so?

[harikeshm]

Your entire logical reasoning playlist helped me gain confidence, at least now i know i can solve these
thanks is a very small word for all u have done!!

[chaitanyasaireddy]

It's better to hear YouTube than our classes

[anandcherian.]

This video really is the only video on clocks you need to watch!!!!

[rohanchavan]

I have a formula to remove any angle of time .
30xHour - 11/2xminutes
Ex 1.
Angle between 10:25=
30x10 - 11/2x25
=300-137.5
=162.5°

[faiyaz-ahmed]

for Q16: in 34 hrs clock gains 28.33 min, it means alarm should go off 28.33 mins before the correct time. but in 28.33 mins, a clock will gains 23.6 ~ 24 sec, so it should wait for 23.6 ~ 24 sec more. Because Q is asking when the alarm will ring, so it should ring after 33hrs32min04Sec i.e. at 10am 32min 04Sec
Another Way is in 24 hrs clock gains 20 min, so in 33 hrs clock will gain 27.5 min i.e. 27 min 30 sec & will show 10:27:30 time although actual time is 10:00 only. For remaining 32 min 30 sec, the clock will gain 26.6 sec, means as actual time travels 32.5 min alarm will go off 26.6 sec early. So as it is 10:32:30, time in alarm is 11:00:26, means alarm should rings actually at 10:32:04 i.e. 26 sec early of 10:32:30. (Neglecting milliseconds-as it will make the calculation more lengthy & confusing)

[Rajveerjagtap]

Sir I studied for all my aptitude tests from your lectures and I scored decent Mark's in it
Thank you for providing such a good content sir

[lakshminagapratyushaturlap]

Really awesome explaination sir.👌.I've listened in very keen way such that I felt Your class ended so quickly.😅.It felt like a classroom☺️..Tq so much sir👍..keep rocking!!!!

[ruslanfernandes]

This analogy did make the understanding a bit easier. Think of the correct clock and the broken clock (clock gaining/ lossing time) as 2 cars in a race. If CAR-1 gains/wins at the finish line means that at one point both the cars were next to each other i.e (The correct time shown by both clocks) and eventually CAR-1 (broken clock) gained/lossed to CAR-2 (correct clock)

[rafathnadaf]

It is 10000 times better than clases. U saved us 🥰

[jayashreeshree]

Finally found in english teaching with clear class thank you

[aniketmane]

Thank you so much Sir! I went through the entire playlist in 3 days and I am pretty much comfortable with such questions if asked in interview placement rounds.

[yeah.whateverr]

we can also use the formula angle=mod of 30H -(11/2)M to calculate the angle as well as the time at which the hands of a clock make an angle. here, H is for hour hand and M is for minute hand.

[naumanmansuri]

You can also use this formula in some sums:
Angle = 30*Hour-5.5*Minute

[krishnapriya]

We can do mind calculation with that trick!!
If 5min/1hr.
24hrs===> 24×5min= 120min=2hr/day.
So for it to be 12 hrs it should be 6days from now on that is sunday 11am

[nagababutadala]

Sir, please make a video on calendar concept also.

[guitarunique]

Question no. 13, case: 1 ans will be 45 9/11 not 43 9/11

[nazeerhussain]

Dear sir,
Your explanations are awesome ...Pls make videos on calenders too...

[nishadeshpande]

you guys are the best !
cant thank you enough <3

[sachinsamriya]

Q. No.2 angle b/w two hands of a clock is = mod 11/2m -30h
and if the angle is, 90 degree = mod 30h-11/2m

[rittudutta]

Question 2 asked to calculate the angle b/w the angle between the right and left hand of the clock. Answer should be 197.5 I think.