International Maths Olympiad Forum By SOF Olympiad Trainer - Page 788
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arnav makani from The Gurukul sector-20, Panchkula
Subject :IMO    Class : Class 6

Ans 1:

Agney Gurukul from ,
Class : Class 6
A

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arnav makani from The Gurukul sector-20, Panchkula
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

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Talaha Modak from Vishwajyot High School, Panvel
Subject :IMO    Class : Class 7

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kunal from Av vidya mandir school , cheeka
Class : Class 7
D is answer because it is not a net of the given figure

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Tamajit Das from Bhavan's Tripura Vidya Mandir, Agartala
Class : Class 7
C . Can also be the answer.It is also not the net of cone

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Prabhav Agarwal from Lawrence High School, Bengaluru
Subject :IMO    Class : Class 6

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sanjay shete from ,
Subject :IMO    Class : Class 8

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tanishka Bondhare from Saraswati international school , Hingoli
Class : Class 8
Thanks

Ans 2:

Samedh from Tree House High School, Pune
Class : Class 9
Quantity of mixture = 400 ml. Quantity of pure alcohol in it = 15 % of 400 = 15/100 * 400 = 60 ml Let's consider 'x ml' of pure alcohol was added to the mixture. After adding, Quantity of mixture = (400 + x) ml Quantity of pure alcohol in it = (60 + x) ml Strength = (60 + x)/(400 + x) = 32/100 => 100(60 + x) = 32(400 + x) => 6000 + 100x = 12800 + 32x => 100x - 32x = 12800 - 6000 => 68x = 6800 => x = 6800/68 => x = 100 Hence answer is 100 ml

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Prabhav Agarwal from Lawrence High School, Bengaluru
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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Aditya Muthukumar from Alpha Cambridge International School, Trichirappalli
Subject :IMO    Class : Class 6

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Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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Kashish Kathuria from Delhi Public School, Bangalore
Class : Class 9
THE CORRECT ANSWER IS D

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Adiammu from RGS, USA
Subject :IMO    Class : Class 7

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Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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Keerthan from SilverOaks, Hyderabad
Subject :IMO    Class : Class 5

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Srinvitha from FIITJEE School Madhapur, Hyderabad
Class : Class 8
the answer is 204441

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Siya Agarwal from The Deens Academy, Bengaluru
Subject :IMO    Class : Class 3

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Soham Gupta from JSSIS Dubai, Dubai
Class : Class 6
d

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Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
The answer should be 80 cups but why is it 25 cups ?Nishka Rawat from Karnataka, Bengaluru, Sarjapur road signal.

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