International Maths Olympiad Forum By SOF Olympiad Trainer - Page 33
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Naisha Bhatia from Cambridge court high school, Jaipur
Subject :IMO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Hope you answer soon

Ans 2:

Ruthwin kumar from Yuvabharathi International School, Singapore
Class : Class 3

Ans 3:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
According to BODMAS or DMAS, first / (divide),then * (multiply), then (add) and then - (subtract). So answer should be: S * R - P Q= 5 x 7 - 2 8= 35 - 2 8= 35 - 10= 25

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Is there any rule for DMAS solving? Hope you answer both my questions. 1. According to......... and 2. Is there any ......................

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Saksham Chanani from Sri Sri Academy, Kolkata
Subject :IMO    Class : Class 4

Ans 1:

Shaurya from Udgam, ahmedabad
Class : Class 9

Ans 2:

Sreehith from New Horizon Scholars School Airoli , Mumbai
Class : Class 5
nizamudin station = 1hr 25 mins late leaves station after 15 mins reaches jaipur station at 9:45 after 8 hr 35mins of journey9:45pm-8hr35mins=1:10pm 1:10 pm -1hr 25mins of late and 15 mins of wating there for actual time for nizamudin station = 11:45 am answer B

Ans 3:

Kavya Kaskar from Arya Vidya Mandir- Juhu, MUMBAI
Class : Class 5

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Shobhon Prusty from The PSBB Millennium School, Chennai
Subject :IMO    Class : Class 4

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dveep jain from mindful gurukul, Mumbai
Subject :IMO    Class : Class 4

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Aviral Goyal from DPS RKP, New Delhi
Subject :IMO    Class : Class 4

Ans 1:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is B). How? First let’s hear the story given. At 9:15 a.m.,Amit left his house and reached the market 10:20 a.m . After shopping ,he left the market at 11:50 a.m.. he reached back his house at 12:30 p.m.. now let’s hear the question. (it’s written in Roman numerals) (i) How much time did he spent in the market? (ii) How much time did he take to travel to his house from the market? Now let’s hear the answers. (i) (ii) A 1 hr 20 mins 50 mins B 1 hr 30 mins 40 mins C 45 mins 40 mins D 90 mins 50 mins So now the first question was how much time did he spent in the market? The amount of time he spent was between 10:20 to 11:50 a.m. = 1 hour 30 minutes = 90 minutes. So now option A) and option C) because the amount of time in options are not equivalent to 1 hour 30 minutes or 90 minutes. Now let’s hear the second question. How much time did he take to travel to his home? The amount of time he took to travel to his home is between 11:50 a.m.to12:30 p.m. = 40 minutes. So now the option D) cannot be the answer because the amount of time in the option is not equivalent to 40 minutes. Hence the answer is B),because in option B) the amount of time in option B) is equivalent to the amount of time it’s supposed to be.

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samarthya from harvest, bangalore
Subject :IMO    Class : Class 4

Ans 1:

jiya jain from mindful gurukul, Mumbai
Class : Class 7
answer is a we know that 1 football= 5 tennis balls and a gift box 2 gift box= 10 tennis balls so we can say that football is f and tennis ball is t and gift box is g 2g=10t so 1g=5t so 1f =5t and 1g or 1f=5t+5t=10t or 2g so 1f =10t 1 football equals to 10 tennis balls

Ans 2:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
ANSWER IS A

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Navya singla from MRIS, Faridabad
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):
Total amount collected by entry tickets for adult = Rs. 12 ×  250 = Rs. 3000
Total amount collected by entry tickets for child = Rs. 9 × 300 = Rs. 2700
Total amount collected  on that day = 3000 + 2700 = Rs. 5700


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Anamkhan Mulla from Navrachna Sama, Vadodara
Subject :IMO    Class : Class 4

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Dhairya Raj from Salt lake point school, Salt lake
Subject :IMO    Class : Class 4

Ans 1:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is C)

Ans 2:

Rish from no, Jorhat
Class : Class 5
B is also incorrect.

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Saksham Chanani from Sri Sri Academy, Kolkata
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):  1782 x 56 = 99792 = 100000 (rounded to nearest thousand)


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