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SANCHAY BISURIYA from R N S world school , jhansi
Subject :IMO    Class : Class 6

Ans 1:

Devanshu Paul from EICHER SCHOOL, Faridabad
Class : Class 6
c

Ans 2:

Jyotiraditya Ramprasad Shelke from Rajlaxmi International school Deulgao Raja, Deulgao raja
Class : Class 6
ANS is C i.e. 75

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Swapnil from D, B
Subject :IMO    Class : Class 6

Ans 1:

Rutuja Chitre from MVM , MUMBAI
Class : Class 6
D

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Amogh from St Therese convent high school, Dombivli
Subject :IMO    Class : Class 3

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Vaisnavi singh from Ekya JP nagar, Banglore
Subject :IMO    Class : Class 4

Ans 1:

Vaisnavi singh from Ekya JP nagar, Banglore
Class : Class 4
it is very difficult to divide such a big number

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Karmanya Gupta from DPS, Udaipur
Subject :IMO    Class : Class 6

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Arnav Vijaywargiya from DPS Gurgaon, Gurgaon
Subject :IMO    Class : Class 8

Ans 1:

Tanish Sharma from M L S D A V SR SEC Public School Narnaul , Narnaul
Class : Class 8
This equation is formed like that: Let present age =x Twenty years ago=x-20 A.T.C x-20 = 1/3 ×x -20 =1/3x-x -20 = -2/3x 20÷2/3 =30 years Age after 15 years =30+15 =45 years

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Vedant Sharma from Silver Oaks , Hyderabad
Subject :IMO    Class : Class 6

Ans 1:

abhiram from chirec, HYDERABAD
Class : Class 7
b

Ans 2:

Falguni from Navkis, Bangalore
Class : Class 6
I think B

Ans 3:

anveshi srimal from cathedral and john connon school, mumbai
Class : Class 7
according to me, the ans should be 3 litres. as 1.5 L * 3 = 4.5 L which is the amount used in 3 days(Tue, Wed n Thurs) hence, 7.5 L- 4.5 L=3 LITRES.That, according to me, is the answer

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Vani Bansal from The Gurukul, panchkula
Subject :IMO    Class : Class 9

Ans 1:

Mohit Ahuja from Podar International School, Akola
Class : Class 9
d = 75% of old d ..... => r = 75 %of old r..... volume of sphere =4/3 *pi*r*r*r...... new= 4/3*pi*r*r*r*27/64..... 4/3*pi*r*r*r will cancel out..... volume(new) =27/64 of old, decreased by 37/64, % =37/64*100=3700/64=37*25/16 = 57.81.... therefore answer is opt (D) .....hope you understood!!!!!

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Ujjwala Jitendra Ghumare from North Point School, Dhule
Subject :IMO    Class : Class 6

Ans 1:

aradhana from Gopalan National School, Bengaluru
Class : Class 3
B

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anay kumar from nirma vidyavihar, Ahmedabad
Subject :IMO    Class : Class 4

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