1. Workout sum S1= 8kmph ; S2 = 12kmph T = 6hrs (opposite direction) D= S × T = (8+12) × 6 ==> 20×6 = 120 km Ans : D = 120km -------------------------------------------------------- 2. Workout sum S1 = 30kmph ; S2 = 50kmph D = 320 km Distance Meeting time = -------------------------- Relative speed 320 = ----------------- ==>4 hrs 30 + 50 Meeting Distance = Time × speed = 4 × 30 = 120 km from A Ans: Meeting time = 4hrs Meeting distance = 120 km --------------------------------------------------------- 3. Workout sum S1 = 40 kmph S2 = 55 kmph Total D = 500 km At 10 a.m, bus A crossed 120 km Remaining distance = 500 - 120 = 380 km Same starting point at 10 a.m, Distance Meeting time = ---------------- Speed 380 = -------- ==> 4 hrs 95 10 a.m + 4hrs ==> 2 p.m Meeting distance = S × T = 40 × 4 ==> 160 km 160 km + 120 km(7 a.m to 10 a.m distance covered by A) = 280 km Ans : Meeting time = 2 p.m Meeting distance =280 km --------------------------------------------------------- 4. Workout sum 10 a.m to 2 p.m ==> 4 hrs 11 a.m to 5 p.m ==> 6 hrs Time ratio = 4 : 6 Speed ratio = 6 : 4 (Assume kmph) Distance = S × T = 6 × 4 ==> 24 km same time 11 a.m, A crossed 6 km Remaining distance=24 - 6 ==>18km Distance Meeting time = ---------------- Time 18 = --------- ==> 1.8 hrs 10 1 hr +(0.8 × 60) ==> 1 hr + 48minute 11 a.m + 1 hr 48 minute Ans = 12 : 48 p.m --------------------------------------------------------- Take care ma'am.. Stay safe..
Trump and Hillary travel from P to Q, a distance of 144 km at 12 km/hr and16 km/hr respectively. Hilary reaches Q first and returns immediately and meets Trump at R. Find the distance from P to R.....how to solve tis
Workout sum : 1 Relative distance for opposite direction is (S1 + S2) T ie. (8kmph + 12kmph) 6hrs = 20kmph * 6hrs = 120 km Workout sum:2 Meeting time = Distance between 2 objects / Relative speed ( when starting time is same ) ie. 320 km / 80 kmph ( 30kmph+50kmph) = 4 hrs Meeting Distance = Meeting time* speed of object from mentioned station ie . 4hrs * 30 kmph = 120km Workout sum:3 S1= 40kmph S2= 55kmph Total distance= 500km At 10am A bus crossed 120 km ( 7am to 10 am ) ie 3hrs * 40kmph Remaining distance = 500 - 120 = 380 km Meeting time = 380km/95 kmph = 4hrs ( from 10am) ie 10am + 4hrs = 2pm Meeting Distance = 4hrs * 40kmph = 160 km + 120 km = 280km Method 2: From 7am to 10 am bus y crossed 165 km ( 3hrs *55kmph) Total distance = 500+165 = 665km Meeting time = 665km/95 kmph = 7hrs (from 7am) ie 7am +7hrs = 2pm Meeting Distance from y:7hrs *55 kmph = 385 km - 165= 220km (or) 4hrs *55kmph = 220km Workout sum : 4 X to Y (A)= 10am to 2pm = 4hrs Y to X (B) = 11am to 5pm= 6hrs Time ratio = 4:6 Speed ratio = 6:4 (kmph) Total distance = 6kmph * 4 hrs = 24km Let the Same time = 11am A cross 6 km Remaining distance = 24-6 = 18km Meeting time = 18km/10kmph = 1.8 hrs ie 1hr (0.8*60) hrs = 1hr 48min 11am + 1hr 48 min = 12:48 pm Method 2: X to Y (A)= 10am to 2pm = 4hrs Y to X (B) = 11am to 5pm= 6hrs Time ratio = 4:6 Speed ratio = 6:4 (kmph) Total distance = 6kmph * 4 hrs = 24km Let the Same time = 10am B cross 4 km (1hr * 4kmph) Remaining distance = 24+4 = 28km Meeting time = 28km/10kmph = 2.8 hrs ie 2hr (0.8*60) hrs = 2hr 48min 10am + 2hr 48 min = 12:48 pm
Great session mam.. Thank you sooo much for such a clearcut explanation.. 🙏🙏 And hopefully We expect that u will going to share a gud news to ur students soon.. I pray God for that mam.. 😃👩👧👩👦
I don't understand Tamil. I have always struggled with the TSD chapter, but ma'am you're amazing..I haven't understood the concept this clearly and I thought I couldn't do this chapter. But I'm lucky to find you on RUclips. You made me love this chapter/concept. ❤ I would also request you to start videos on geometry & algebra ma'am.
How to solve tis 👇 Trump and Hillary travel from P to Q, a distance of 144 km at 12 km/hr and16 km/hr respectively. Hilary reaches Q first and returns immediately and meets Trump at R. Find the distance from P to R
Workout sum 4 - namma 10 am la irunthu than namma 11 am ku kondu vanthu sum proceed pannurom athu nala than 24-6 = 18 kidaikuthu so time nammaluku 18/10 = 1.8hrs atha 1 hr 48 mins nu podurom then nammaluku antha 10 am la irunthu than namma 1 hr 48 mins sa add pannuvom becoz athu than original time so appadi add panna 11:48 mins than ans varanum y 11 am la add panninga
Mam plz solve it :- A man completed certain journey by a car if he covered 30% of the distance at the speed of 20 kmph ,60%of the distance at 40kmph, and the remaining distance at 10 kmph his average speed for the whole journey was.. watched ur 3rd video but could find d answer
mam indha video la last sum before the workout sum la ratio 7:8 vandhu parts dhana mam....adha value va convert panni dhana multiple pannanum.... epd mam directa 7 x 4 nu multple panna mudium...ans 2hr 8min dhana mam varum...ilaya
1. Workout sum
S1= 8kmph ; S2 = 12kmph
T = 6hrs (opposite direction)
D= S × T
= (8+12) × 6 ==> 20×6
= 120 km
Ans : D = 120km
--------------------------------------------------------
2. Workout sum
S1 = 30kmph ; S2 = 50kmph
D = 320 km
Distance
Meeting time = --------------------------
Relative speed
320
= ----------------- ==>4 hrs
30 + 50
Meeting Distance = Time × speed
= 4 × 30
= 120 km from A
Ans: Meeting time = 4hrs
Meeting distance = 120 km
---------------------------------------------------------
3. Workout sum
S1 = 40 kmph S2 = 55 kmph
Total D = 500 km
At 10 a.m, bus A crossed 120 km
Remaining distance = 500 - 120
= 380 km
Same starting point at 10 a.m,
Distance
Meeting time = ----------------
Speed
380
= -------- ==> 4 hrs
95
10 a.m + 4hrs ==> 2 p.m
Meeting distance = S × T
= 40 × 4 ==> 160 km
160 km + 120 km(7 a.m to 10 a.m distance covered by A) = 280 km
Ans : Meeting time = 2 p.m
Meeting distance =280 km
---------------------------------------------------------
4. Workout sum
10 a.m to 2 p.m ==> 4 hrs
11 a.m to 5 p.m ==> 6 hrs
Time ratio = 4 : 6
Speed ratio = 6 : 4 (Assume kmph)
Distance = S × T
= 6 × 4 ==> 24 km
same time 11 a.m, A crossed 6 km
Remaining distance=24 - 6 ==>18km
Distance
Meeting time = ----------------
Time
18
= --------- ==> 1.8 hrs
10
1 hr +(0.8 × 60) ==> 1 hr + 48minute
11 a.m + 1 hr 48 minute
Ans = 12 : 48 p.m
---------------------------------------------------------
Take care ma'am.. Stay safe..
Excellent mam 👍
@@saranyak8909 Thank you ma'am
i have on doubt
we can time time ratio has 2:3 and speed ration has 3:2
we can take time ratio has 2:3 and speed ration has 3:2
Trump and Hillary travel from P to Q, a distance of 144 km at 12 km/hr and16
km/hr respectively. Hilary reaches Q first and returns immediately and meets Trump
at R. Find the distance from P to R.....how to solve tis
Workout sum : 1
Relative distance for opposite direction is (S1 + S2) T
ie. (8kmph + 12kmph) 6hrs
= 20kmph * 6hrs
= 120 km
Workout sum:2
Meeting time = Distance between 2 objects / Relative speed ( when starting time is same )
ie. 320 km / 80 kmph ( 30kmph+50kmph)
= 4 hrs
Meeting Distance = Meeting time* speed of object from mentioned station
ie . 4hrs * 30 kmph
= 120km
Workout sum:3
S1= 40kmph
S2= 55kmph
Total distance= 500km
At 10am A bus crossed 120 km ( 7am to 10 am ) ie 3hrs * 40kmph
Remaining distance = 500 - 120 = 380 km
Meeting time = 380km/95 kmph = 4hrs ( from 10am)
ie 10am + 4hrs = 2pm
Meeting Distance = 4hrs * 40kmph = 160 km + 120 km = 280km
Method 2:
From 7am to 10 am bus y crossed 165 km ( 3hrs *55kmph)
Total distance = 500+165 = 665km
Meeting time = 665km/95 kmph = 7hrs (from 7am)
ie 7am +7hrs = 2pm
Meeting Distance from y:7hrs *55 kmph = 385 km - 165= 220km (or) 4hrs *55kmph = 220km
Workout sum : 4
X to Y (A)= 10am to 2pm = 4hrs
Y to X (B) = 11am to 5pm= 6hrs
Time ratio = 4:6
Speed ratio = 6:4 (kmph)
Total distance = 6kmph * 4 hrs = 24km
Let the Same time = 11am
A cross 6 km
Remaining distance = 24-6 = 18km
Meeting time = 18km/10kmph = 1.8 hrs
ie 1hr (0.8*60) hrs = 1hr 48min
11am + 1hr 48 min = 12:48 pm
Method 2:
X to Y (A)= 10am to 2pm = 4hrs
Y to X (B) = 11am to 5pm= 6hrs
Time ratio = 4:6
Speed ratio = 6:4 (kmph)
Total distance = 6kmph * 4 hrs = 24km
Let the Same time = 10am
B cross 4 km (1hr * 4kmph)
Remaining distance = 24+4 = 28km
Meeting time = 28km/10kmph = 2.8 hrs
ie 2hr (0.8*60) hrs = 2hr 48min
10am + 2hr 48 min = 12:48 pm
mam ur way of teaching is excellent... plz do continue this forever mam.. can u plzz teach D-I A-Z?
Thanks mam. Wow, the way u teach awasome 👌 no words to tellm that examples.... Chance sey illa mam. This shows how much u love the teaching .💐🙏.
Rely rely ur explanation is very clear..... super teaching skill.... rely I thank to u mam.... 😍😍😍😍
Great session mam.. Thank you sooo much for such a clearcut explanation.. 🙏🙏
And hopefully We expect that u will going to share a gud news to ur students soon..
I pray God for that mam.. 😃👩👧👩👦
Thank you so much mammm
❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
Take care. Waiting for next class😍❤️❤️❤️❤️
Vera level teaching mam... Chanceye illa mam... Ungala mathiri yaarum intha level ku easy ah example solla maattanga... Ur very exelent...
I don't understand Tamil. I have always struggled with the TSD chapter, but ma'am you're amazing..I haven't understood the concept this clearly and I thought I couldn't do this chapter. But I'm lucky to find you on RUclips. You made me love this chapter/concept. ❤ I would also request you to start videos on geometry & algebra ma'am.
Workout 2
Sr=30+50=80
Meeting time=distance/sr=320/80=4 hrs
Meeting distance =4×30=120 km
Thanks for your videos .take care of yourself and your baby. 🌹
Workout sum 1
S1=8km/hr S2=12km/hr
Relative speed = 8+12= 20km/hr
Distance = relative speed × time
= 20×6
= 120km
Workout sum 2
Distance = 320km
Relative speed = 50+30 = 80 km/hr
Meeting time = (distance÷ relative speed)
= (320 ÷80)
=4 hr
Meeting distance = speed × time
= 30×4
= 120km
Workout sum 3
Distance traveled by 1st bus in 3hr = 40×3= 120 km
Remaining distance = 500-120
= 380km
Relative speed = 55+40 = 95 km/hr
Meeting time = (380÷95) = 4 hr
At time = 10am+ 4hr = 2pm
Distance from X = (4×40)+120
= 160+120
=280 km
Workout sum 4
Time ratio = 4 : 6
Speed ratio. = 6 : 4
Distance = 6 ×4 = 24 km
If B starts at 10am distance covered =(11am-10am)× 4 = 1×4 = 4km
Total distance = 24+4 =28km
Meeting time = (28÷ 10) = 2hr 48min
At = 10am + 2hr 48min = 12.48 pm
S1 = 8kmph S2 = 12kmph (opposite direction)
T = 6
SR = 8+12 =20 kmph
D = S × T
= 20 × 6 = 120km
2. D = 320km P's speed = 30 km/hr
Q's speed = 50 km/hr ( opposite direction)
SR = 30+50=80 km/hr
Meeting Time = D / SR
= 320÷80 =4 hrs
Meeting distance = 4× 30 =120 km
Workout 4
Time=4:6
Speed=6:4
A=6km/hr
B=4km/hr
Distance =6×4=24 km
Meeting time=28/10=2.8hr
=2 hr (0.8×60)=2hr 48 min
Time=12.48pm
mam please make a A-Z video on RATIO&PROPORTION,Humle request...
Mam A to Z series for ratio proportion ..please teach us soon mam...we are waiting 👍🏻
Hi akka I'm happy see ur video continuously . take care of ur health. Please do video more as possible for rrb ntpc exam .🙏🙏🙏
Thank you so much mam🙏🙏 get well soon mam and take care of ur health
Take care of u mam...health is first important...
Next mensuration tipic please🙏 @Telangana
Congratulations sister.
Thank you so much ma'am 😊
Workout 1
S1=8kmph
S2=12kmph
T=6hr
Sr=s1+s2
=8+12=20kmph
D=sr×t=20×6=120km
Thanks for your videos
Installment sum in si plsss
Thank you mam ..... TAKE CARE .......
Thanks Mam
rmba thanks sis engalukaga rmba mudiyamaerunthum u teach sis u r really supr sis ...thanks
Please upload Mensuration problem mam
Mam...time speed distance and train conecept vegama mudingaa mam...
Take care sister.
Mam average and ratio proportion A to z series pannunga mam
Yes mam pls sikarama ......
Get well soon mam
Ma'am Class super ha iruduchu.romba thanks mam.unga health parunka.mam adu dan first.
Mam pregnant ah irukangala????sisy..just I am having thought
@@valarmathielango6597 apdidan theridhu
Thank u mam..most awaiting session..
Take care your health madam
Excellent concept
For the first time I believe ....Mam is not appearing in Saree 😅 Anyway,Get Well Soon Mam...😊☺️
Thank You ma'am
Thank u mam
அழகே ரதி Perfect Teaching
❤️❤️❤️
Take care of your health akka,stay safe 👍
Welcome mam.
How to solve tis 👇
Trump and Hillary travel from P to Q, a distance of 144 km at 12 km/hr and16
km/hr respectively. Hilary reaches Q first and returns immediately and meets Trump
at R. Find the distance from P to R
Ans 168 km ah bro
108 km
Mam please make videos for ssc chsl preparation
Good
Workout sum 4 - namma 10 am la irunthu than namma 11 am ku kondu vanthu sum proceed pannurom athu nala than 24-6 = 18 kidaikuthu so time nammaluku 18/10 = 1.8hrs atha 1 hr 48 mins nu podurom then nammaluku antha 10 am la irunthu than namma 1 hr 48 mins sa add pannuvom becoz athu than original time so appadi add panna 11:48 mins than ans varanum y 11 am la add panninga
Thank you . clear my doubt
Whether we can use d formula for 1st que
4 sum
Ans 12.30am
Akka next mensuration pls akka
Nice explanation
Mam plz solve it :- A man completed certain journey by a car if he covered 30% of the distance at the speed of 20 kmph ,60%of the distance at 40kmph, and the remaining distance at 10 kmph his average speed for the whole journey was.. watched ur 3rd video but could find d answer
(3x+6x+x)/(3x/20)+(6x/40)+(x/10)
10x*40/(6x+6x+4x)
10x*40/16x
25km/h
Avg speed :: total dis/total time
Workout 4
12 hr 40 min
Mam..4 questionla 144km divided by 8 pana..answer 18 thana mam varum...clarify panuenga
Mam one dout mam addu eppdeai 36. Min addu eppdeai mam time ma same panna ma meeting time kanddu pudduchanga
Workout3
2pm
Lcm hcf
5 sum
How to identify weather the question is about average speed or relative speed?
Hey,akka hii .. marry Christmas 🎄 😍 ♥ 😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😠😣😣😣😣😣😣😣
Ssc ka ka potunga mam. Mensuration video A to Z potunga mam
Mam DI podunga mam😊
Mam teaching ku naan adimai
Mam ages topic podunga plz
background vera level music...
Mam mensuration video A-Z poduinga @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Hi
I have a doubt mam,
How do you take 7.30am to 11.00am=3.30hrs is 3.5hr
..pls clear
3.30hrs=210 minutes(3*60+30)
210/60=3.5 hr or else 1hr=60minute therefore 1/2 hr=30 minute(.5)
Mam 12th part
👍👍👍👍
mam indha video la last sum before the workout sum la ratio 7:8 vandhu parts dhana mam....adha value va convert panni dhana multiple pannanum.... epd mam directa 7 x 4 nu multple panna mudium...ans 2hr 8min dhana mam varum...ilaya
Yes enakkum intha same doubt irukku
Akka 4th sum correct ah ??
Mam saree enga
Thank you mam
Thanks mam 😊
Tq so much mam 👍👍