International Maths Olympiad Forum By SOF Olympiad Trainer - Page 43
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Satvik Agrawal from Delhi Public School, bhopal
Subject :IMO    Class : Class 4

Ans 1:

Bhanu teja from Birla Open Minds, Hyderabad
Class : Class 7
where 120000 came from

Ans 2:

Vaishnavi from DPS , Singapore
Class : Class 4
C

Ans 3:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
answer is c because 15000-12000=3000

Ans 4:

Advik Dixit from Ryan International School Sanpada Navi Mumbai , NAVI MUMBAI
Class : Class 5
c

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Mihishkaa from PSBBLLA, Bangalore
Subject :IMO    Class : Class 4

Ans 1:

Savya Vishal Neha Babar from HPS Begumpet, Hyderabad
Class : Class 4

Ans 2:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
answer is B

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): 


Ans 4:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore
Class : Class 7
b

Ans 5:

Atharv Rai from The Foundation School , Bangalore
Class : Class 4
its (b)

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Satvik Agrawal from Delhi Public School, bhopal
Subject :IMO    Class : Class 4

Ans 1:

Sahil Joshi from Abhinav Vidyalay English Medium School, Pune
Class : Class 5

Ans 2:

Raghav Karwa from Gurukul Olympiad School, Aurangabad
Class : Class 6
that is true I clicked something wrong

Ans 3:

Shriyan Sengupta from Julien Day School, Kalyani, Kalyani
Class : Class 6
ham o rubela theke sabdhane thakun khub baje rog

Ans 4:

Vaishnavi from DPS , Singapore
Class : Class 4
its says C

Ans 5:

Soumya Gupta from Prudence School Ashok Vihar, New Delhi
Class : Class 5
very difficult

Ans 6:

Tanusha from Royaal World School , Pune
Class : Class 4
I think that c is right ans because X can be subtracted by L and C only

Ans 7:

Parth Kathuria from Kothari International School, Noida
Class : Class 4
(C): Symbol X can be subtracted from L and C only.

Ans 8:

Mudit from SSRVM, Bangalore
Class : Class 4
X can be subtracted from L and that makes it 40. Please review

Ans 9:

Dhruv Gupta from RRK Senior Sec School, Chandausi
Class : Class 4

Ans 10:

lavanya from spring dales, Amritsar
Class : Class 2
kindly send its explaination

Ans 11:

Student from School, City
Class : Class 5
l think a,b,c are wrong so d is the correct answer

Ans 12:

Yatindra G from SBOA, Chennai
Class : Class 4
ARE YOU MAD STUDENT?! XL(40) IS MEANINGFUL DINGUS!

Ans 13:

SRUJAN VIJAY DESAI from G G INTERNATIONAL SCHOOL, PIMPRI PUNE
Class : Class 4
please explain it

Ans 14:

Nihid Binoj from DPS International School Singapore, Singapore
Class : Class 4
It says that X CANNOT be subtracted from L which is wrong as X - L is meaningful and forms XL (40). So (c) is the answer.

Ans 15:

Nitai Pandey from DAV CENTENARY PUBLIC SCHOOL KUTESHWAR, KATNI
Class : Class 8

Ans 16:

ibrahim akhil pathan from kaka's international school, pune
Class : Class 4

Ans 17:

Student from School, City
Class : Class 5
I can’t understand

Ans 18:

VISHISHT S PILLAI from Bethany High School, Bangalore
Class : Class 4
Question is wrong A,B,C is correct

Ans 19:

Mihika Pal Choudhury from The Shri Ram School Vasant Vihar, New Delhi
Class : Class 7

Ans 20:

Arnav majumdar from nps jpnagar, BANAGALORE
Class : Class 8

Ans 21:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
yaa

Ans 22:

Sarthak Shome from Harvest International, Bangalore
Class : Class 8
SO THAT IT IT IS A ERROR

Ans 23: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Symbol X can be subtracted from L and C only.


Ans 24:

Shriyan Sengupta from Julien Day School, Kalyani, Kalyani
Class : Class 6
m

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Satvik Agrawal from Delhi Public School, bhopal
Subject :IMO    Class : Class 4

Ans 1:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
i did D but they marked it C

Ans 2:

Agastya Vinayak from DPS Rohini, Delhi
Class : Class 8

Ans 3:

Akanksha A from Chrysalis High, Bangalore 560066
Class : Class 9
it is d

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Maneet patil from Delhi public school, Navi Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Maneet patil from Delhi public school, Navi Mumbai
Class : Class 5
You have wrong you have.told that (using one digit at least once)but you have used 5 double time

Ans 2:

Rachel from Mount litera Zee School Goa, Goa
Class : Class 7
you should use the number atleast once. so the greatest no u can make from the numbers provided is 5530. then multiply it with 15. you get the answer.

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Sarah Nawalkar from Rajhans Vidhyalaya, Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Nivritti Agarwal from National public school, Bangalore
Class : Class 7
A): Amount of money Bhavya saves in one month = ₹ (2550 - 1875) = ₹ 675∴ Her savings in one year= ₹ (12 × 675) = ₹ 8100Her savings in 3 years = 3 × 8100= ₹ 24300

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): Amount of money Bhavya saves in one month = ₹ (2550 - 1875) = ₹ 675
∴ Her savings in one year
= ₹ (12 × 675) = ₹ 8100
Her savings in 3 years = 3 × 8100
= ₹ 24300


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Shiven Dinkar from DPS Noida, Delhi
Subject :IMO    Class : Class 4

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Amrutha Vemavarapu from Kennedy high the global school, Hyderabad
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Factors of 18 = 
Factors of 27 = 
So, 6 is not a common factor of 18 and 27.


Ans 2:

Vaishnavi Sahu from St Johns English School and Junior College, Chennai
Class : Class 5
it shows that in which table does 24 and 46 are only in table of 2 the 46 comes after 2 x 12 and even after so many numbers.

Ans 3:

Sarthak Shome from Harvest International, Bangalore
Class : Class 8
man see 3 is a factor of 18 but 27 table does not have 3 as thier factor because 3 multiplied by six is eighteen but 27 does not have a factor so 6 is not a common factor of 27

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Factors of 18 = 
Factors of 27 = 
So, 6 is not a common factor of 18 and 27.


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aarav khandelwal from BAL BHARTI PUBLIC SCHOOL, NEW DELHI
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):  A) XV - Fifteen
        B) XIX - Nineteen
       C) XXVI - Twenty six
       D) IXIV is meaningless.


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Myra Chandwani from Marble Arch School , Mumbai
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C):

1 kg = 1000g
Cost of 1 kg i.e 1000g oranges = Rs 120
Cost of 250g oranges = (120 / 1000) x 250 = Rs 30
Cost of 1kg  i.e 1000g apples = Rs 150
Cost of 500g apples = (150 / 1000) x 500 = Rs 75
Cost of 250g  oranges and 500g apples altogether = 30 + 75 = Rs 105


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