I think there is a mistake in the Math section of NATA 2018.Did anybody feel the answer given for Q5(height and dist) is wrong?

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I think there is a mistake in the Math section of NATA 2018.Did anybody feel the answer given for Q5(height and dist) is wrong?

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Sakshi Joshi 17th May, 2018

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Answers (2)

Jayant Negi 17th May, 2018

Yes the answer given is wrong, I guess. Correct answer should be 100/root(3).

One more question was there asking maximum number of tangents that can be drawn between two circles. The answer should be 4 ( but it is given 2).

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Comments (2)

Shiva

17th May, 2018

yes i think so too.. but can we challenge the key?

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Sakshi Joshi

17th May, 2018

The key is not officially out.only our response and their answer has been mentioned.but Sweta and I have written to the COA and I think they may give us grace marks after checking their paper again.

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Sweta mishra 17th May, 2018

check the Q no properly as the q 5 is abt an area problem !!

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Sakshi Joshi

17th May, 2018

Ok it is in fact Q5 for me.I think the order of questions is different for us. Also a question on the maximum number of common tangents to two circles is definitely wrong.pls check and let me know

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Ashwin Koenigsegg

17th May, 2018

Question set varies

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Sweta mishra

17th May, 2018

ur ri8 that Q abt the circle and tangents,the answer should be four tangents but two is given !!so i too dont know exactly what to do next although i have sent an email to Coa.

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