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[ Official ] How was the Prelims 2021 paper?

How was the paper guys ? 

jack_Sparrow,curious_kidand28 otherslike this
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4.8k comments

@GOT8 bro its wrong for mw. i marked jhelum. i really dont know to read maps anymore.got the easter ghats river question also wrong. 


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Is it putting under the charge of prime Minister and charge under cabinet secretary is same thing??if it is same,then option 2 is correct, of it is different, then no. 2 option is wrong.

It came under charge of prime minister in 1985 not 1970

So A or D can be the answer?

3.9k views

aisa lagta hai ki sirf ek hi question me dispute hai aur wo hai Cooker wala. Baaki lagbhag vision ka sahi hai keys with explanation( Indus hata ke)

Indus wale ka source Khullar me confirm Sutlej hai jo Shabbir sir ne bhi confirm kiya hai apne answer keys me. 

Baaki toh discussions ka koi end hi nahi hai.

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Speed of light is ALWAYS same ,,, due to this I marked light year as C - लाइट travels in straight line as speed of light is different in different mediums 


Don't know what is settled opinion

isme bhi doubt hai kya 

3.5k views
@saurabher43267kisi ke pas chenab ka source hai kya... please share


4.7k views

atuljisaid

@BhallaRobert at 82.7 how hopeful are you? Bcz I am almost same as well...considering every doubtful wrong which in my case are cooker, epf, co smelter, state definition, federal,  14vs32 and virus culture.


I am from ews category thats y i am hopeful. 


Last year i was getting 95 from vision ended up with 92.51 ..


at 82.67 in general i feel 2 (net) incorrect answers atleast have to go ur way..


Cutoff for me would be - 88-89

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Speed of light is ALWAYS same ,,, due to this I marked light year as C - लाइट travels in straight line as speed of light is different in different mediums 


Don't know what is settled opinion

Maine bi exam me yehi sochke galat kiya ki its different in different mediums. But then light bends also when it travels from one medium to other.. ( Rarer - Denser)


when u are talking about astronomical distances we consider light travels in straight line. Answer will be D (100%)

Udit_pathak,fullmoon
4.2k views
Guys the sudden result gaga yesterday made me go check answer keys again

CSAT is my biggest fear esp when I'm unsure abt number of Qns attempted (49+-2 with 25 RC , rest maths) , I tried some math Qstn and midway I may have left it or attempted idk

Based on various keys and worst case scenario of considering that I have attempted partially tried Qstn ,my csat scores range from 65~84 

I banked heavily on Reading comprehension, so there's wide variation Shankar gave me lowest in worst case scenario  65 while vision, Vajiram and insights give me 77~84

Which one of the csat keys (Vision,Vajiram,Shankar,Insights,Byjus) is most appropriate so far?
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Is it putting under the charge of prime Minister and charge under cabinet secretary is same thing??if it is same,then option 2 is correct, of it is different, then no. 2 option is wrong.

It came under charge of prime minister in 1985 not 1970

So A or D can be the answer?

Iska D hai answer… (99.9%)

4.1k views

Speed of light is ALWAYS same ,,, due to this I marked light year as C - लाइट travels in straight line as speed of light is different in different mediums 


Don't know what is settled opinion

My logic was : for distance u need 2 things , distance and time ....so option d must be correct ....still jo upsc decide karega vohi answer h

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Led wale q me mujhe laga ki 360 degree hona ek light ka advantage hota hoga


so i considered statement A wrong as govt is promoting led lights, so it has to advantageous right??


Ab bahar aake pata chala ki being 360 deg is not advantageous.. there is not of energy wasted in 360 deg light. 


Sothe intention was right but execution was wrongcozlack of knowledge.Ab amazon se 360 deg light dhundke koi fayda nai.. 

gOdFr33d,Forumite
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@tarun17 u can go back on this group 3-4 pages see the discussion of comprehension, answer is based on actual paragraph on internet which has high probability of being correct. Vision ias key for csat is more reliable, I guess especially for math question


Tk17,
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Will surely cross check with Google based solutions


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@tarun17 shankar ias and forum ias csat key is riddled with mistakes in comprehension, both gives my lowest marks
Tk17,
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@manish_bits_ranchi792 yeah ,Keys made in haste

Btw Thanks ATB
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Speed of light is ALWAYS same ,,, due to this I marked light year as C - लाइट travels in straight line as speed of light is different in different mediums 


Don't know what is settled opinion

Astronomical distances pe light bends due to gravity. Gravitational lensing kehte hain is effect ko. 


I had the same doubt in exam. Dono hi option galat hain. But I ended up eliminating ye upar wala option due to above reason. 

Udit_pathak,
2.7k views
What is with the result's hype before 27th?
parle ji_,
2.6k views
in light question, it cant travel in straight line. my logic was refractive index. coin in a water vessel looks raised. so light bends. that diagram is also there when light enters one medium to next
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