@@sumankarmakar5953 let rakesh do = 100 and somesh(25% more efficient) = 125 , so their work ratio i.e 4:5 , total work = effic x time (4 x 30 ) i.e 120 ....at last we apply formula D{ 4+5} = 120(total work) ...... Simplify it so ans D is correct
@@himanshiwithartthk waise hi krenge jaisa ek Q. sir n pehle krwaya h aur usi k jaisa diagram bhi bnao tab samjh aa jayega. 2nd method jo sir n btaya usse 30,45 &36 ka LCM = 180 then Efficiency of Ram 6..Shyam 4......Sita 5. Last 5days Ram left so Sita n shyam work for 2 days & shyam alone for rest 3days. By, W=T×E Sita..shyam together W= 2×(4+5) = 18 Shyam alone W = 3×4=12 Sita Ram shyam W= D×(6+4+5)= 15D Adding all 15D+18+12= 180 D = 10 Now, 10+5 = 15 days
@@sonalmurte1614 let R efficiency = x S efficiency= 5/4x 30 * x = s* 5/4x S= 24 days R do the work in 30 days S will do the work in 24 days If they work together= 1/d= 1/30 +1/24 D= 40/3
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35:30 Lcm = 60
B 2 days work = 6 unit
On 3rd day A+ B+ C = 9 unit
9+6= 15
60/15 = 4 (it's 3 days work so multiply it by 3)
4*3 = 12
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35:28 12 days (first 2 days 6 unit work, third day 9 unit work ) isliye 3 days me 15 unit work
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46:53 D-Z
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39:21 A-150 B-75
31:12 15 days (10+3+2)
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39:20 option A
option C is correct
ohh mujhe laga just phele wala question
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46:35 d
How ?? Can you please explain
@@sumankarmakar5953 let rakesh do = 100 and somesh(25% more efficient) = 125 , so their work ratio i.e 4:5 , total work = effic x time (4 x 30 ) i.e 120 ....at last we apply formula D{ 4+5} = 120(total work) ...... Simplify it so ans D is correct
46:59 9 days
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Thanks sir
Q3 answer 150 and 75
31:23 c 15 DAYS (10+2+3)
31:07 12 days
Sir sirf pyqs solve krwa dijiye year wise plz atleast 2 yrs ka
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Ratio proportion pe video upload kijiye sir
Sir next class ma mixture and allegations chapter krva dijha plz 🙏
46:58 18 days
31:21 ans 18
How? Can you please explain.
Actually I am getting 15.
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39:12 30days
Sir how can I solve it 35:53 using the 1st method
can you put the answers to the homework, please?
Permutation and combination , probability, speed and square root and formulae’s , please sir ye low hanging fruits hai , please help kardijiye
30:45 15 days
Explain kr do yrr is ka answer ni nikl raha h
@@himanshiwithartthk waise hi krenge jaisa ek Q. sir n pehle krwaya h aur usi k jaisa diagram bhi bnao tab samjh aa jayega.
2nd method jo sir n btaya usse 30,45 &36 ka LCM = 180 then
Efficiency of Ram 6..Shyam 4......Sita 5.
Last 5days Ram left so Sita n shyam work for 2 days & shyam alone for rest 3days.
By, W=T×E
Sita..shyam together W= 2×(4+5) = 18
Shyam alone W = 3×4=12
Sita Ram shyam W= D×(6+4+5)= 15D
Adding all 15D+18+12= 180
D = 10
Now, 10+5 = 15 days
Aree vo last ki hi samjh ni aa rha tha mera answer 14 aya tha mistake chl gai pta vo sita ke days me glt le ri thi
@@himanshiwithart ab edit kr diya comment....dekho ab
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B-12
31:36 31:36
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46:37 13(1/3)
How?
@@sonalmurte1614 let R efficiency = x
S efficiency= 5/4x
30 * x = s* 5/4x
S= 24 days
R do the work in 30 days
S will do the work in 24 days
If they work together= 1/d= 1/30 +1/24
D= 40/3
@@namaswinirout5975Thanks
@@sonalmurte1614 Hmmm
@@namaswinirout5975 thankyoou
1st tarika hi sahi h...dusra tarika dimaag mein jaa nhii rha h
35:23 12 days
31:10 15 days
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18 days ans for2nd Hw...right or wrong sir
Okk Sir...thanks
30 days-c
2nd HW - 12 DAYS
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3:1
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Sir 15days
These are basic.... don't come in exam
HW - 15 DAYS
Monkey question😂 I thought answer is none of the above coz efficiency of monkeys is not given😂
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52
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Monkey qus
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46:45 15 days
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