International Maths Olympiad Forum By SOF Olympiad Trainer - Page 104
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riya from TPS, Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Sharvi Deshmukh from BRPS, Pune
Class : Class 1
(b)62 thats why because 62 doesn't come in 9's table

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Sri Mitra from GIIS, Singapore
Subject :IMO    Class : Class 4

Ans 1:

Arundhati Sarkar from DPS SECTOR 45 , Gurgaon
Class : Class 4
ans a-80. From 1-9 there are 9 digits . so we are left with 151-9=142 digits. Note that from 10 onwards all numbers are of 2 digits. So there are 142/2=71 numbers to have 142 digits. Therefore there are 9+71=80 numbers.

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from Mahadevi Birla Sishu Vihar, Kolkata
Subject :IMO    Class : Class 4

Ans 1:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Answer should only and only be D

Ans 2:

Soham Mohanty from DAV, Bhubaneswar
Class : Class 6
Ans. 1Soham Mohantyclass-4fAnswer:c

Ans 3:

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

Ans 4:

AYUSMAN NAYAK from DAV PS, BHUBANESWAR
Class : Class 7
The no is 31.31x5=155 209=364.Hence neither statement 1 nor statement 2 is correct

Ans 5:

Anjala Ambade from ,
Class : Class 4
ans-d

Ans 6:

Abhijnan Barman from Maharishi Vidya Mandir Senior Secondary School, Guwahati
Class : Class 4

Ans 7:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
You’re are supposed to multiply the number by 3 hence the answer is C

Ans 8:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
(364-209) divided by 5=3131*3=93So, the answer is C.

Ans 9:

Shivam from ZSFC, ahemdabad
Class : Class 4
anwer=option c

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Kavyam Khanna from Sfhs , Chandigarh
Subject :IMO    Class : Class 4

Ans 1:

Sharvi Deshmukh from BRPS, Pune
Class : Class 1
(c)12

Ans 2:

Jiyan Domadia from Podar International School , Rajkot
Class : Class 6
c-12

Ans 3:

Jiyan Domadia from Podar International School , Rajkot
Class : Class 6
c-12

Ans 4:

Megha Maheshwari from Jain public school, Rewari
Class : Class 7
Answer-option C-12

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tarikadewangan from DPS EAST Bangalore , Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

AYUSH SINGH from ryan international school, Mumbai
Class : Class 5
No , the answer is3900 only

Ans 2:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
The full question

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karuna pati Mishra from ,
Subject :IMO    Class : Class 4

Ans 1:

Kalpana Mehta from Delhi Public School Surat , Surat
Class : Class 4
Ans is D AsXL value is 40 n IX value is 9 so 40 + 9 is 49

Ans 2:

Kalpana Mehta from Delhi Public School Surat , Surat
Class : Class 4
Ans is D AsXL value is 40 n IX value is 9 so 40 + 9 is 49

Ans 3:

Ali.H from DPS-Dubai, Dubai
Class : Class 4
b xc=110

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Ali.H from DPS-Dubai, Dubai
Subject :IMO    Class : Class 4

Ans 1:

ANIKET RAY from DPS ROURKELA, Rourkela
Class : Class 5
ANSWER IS B

Ans 2:

aadav sagar from indian school al ghubrah , muscat
Class : Class 6

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aarav from GURUKUL THE SCHOOL, GHAZIABAD
Subject :IMO    Class : Class 4

Ans 1:

adwaita from DPS NOIDA, Noida
Class : Class 4
just count how many cubes are there in the figure . it should be A .

Ans 2:

zarah manesh from holy angels isc, thiruvananthapuram
Class : Class 9

Ans 3:

ANIKET RAY from DPS ROURKELA, Rourkela
Class : Class 5
option a

Ans 4:

Jiyan Domadia from Podar International School , Rajkot
Class : Class 6
A-34

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Swamev Gupta from Amity International school, Gurgaon
Subject :IMO    Class : Class 4

Ans 1:

AYUSH SINGH from ryan international school, Mumbai
Class : Class 5
Your answer is wrong. You have to divide 75 by 5 so the answer comes Rs.15

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Bipul Roy from ,
Subject :IMO    Class : Class 4

Ans 1:

INDRANI GHOSH ROY from AMRITA VIDYALAYAM, Durgapur
Class : Class 5
_____________ is a factor of 7th multiple of 43. Solution:7th multiple of 43=43*7=301 As,4,5,6 are not but 7 is divisible:301/7=43 So,correct answer is no.:D(7)

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