International Maths Olympiad Forum By SOF Olympiad Trainer - Page 396
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Chinmay from Centre point school, Nagpur
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option D. 


Ans 2:

ARNAV SHARMA from DPS Pune, Pune
Class : Class 4

Ans 3:

Ayush kumar from Sunbeam school Indiranagar, Varanasi
Class : Class 5

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Ashmit Kheterpal from lvis, Gurgaon
Subject :IMO    Class : Class 8

Ans 1:

kuhu from sps, Bhopal
Class : Class 8

Ans 2:

Vnnn from Hjkk, Delhi
Class : Class 8

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Ashwathy Suresh from Podar Intrernational School, Bangalore
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):

Number of eggs bought per day = 44

Number of days in October = 31

Number of eggs bought in October = 44 x 31 = 1364


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Vihaan from K R Mangalam World School Vaishali, Ghaziabad
Subject :IMO    Class : Class 5

Ans 1:

havya from ambitus world school, hyderbad
Class : Class 5
my answer is b (:

Ans 2:

havya from ambitus world school, hyderbad
Class : Class 5
my answer is b (:

Ans 3:

AASTHA RAI from AUXILIUM SCHOOL, KOLKATA
Class : Class 6
The answer is b

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Kavitharini Joseph from HUS, Chennai
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D): L.C.M. of 15, 25, 30 and 45 = 450
450 – 9 = 441.
So, if 9 is added to 441, the number is divisible by all the 4 numbers.
 


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Kedar Kulkarni from Walnut School, Pune
Subject :IMO    Class : Class 3

Ans 1:

Adrito Roy from Stem world School, Kolkata
Class : Class 3

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):

After interchanging the digits numbers are :
P - 7849, Q - 7859, R - 7889, S - 6349
So, S is the smallest number.


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Diti Sharma from Amity International School, Noida
Subject :IMO    Class : Class 9

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Hrithik Peddireddy from Oakridge International School, Hyderabad
Subject :IMO    Class : Class 6

Ans 1:

Sejal Mittal from dlf, ghaziabad
Class : Class 6

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): First figure rotates 90° clockwise to get the second figure.


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Arnav D Mohale from Tree House High School, Pune
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option A.


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Arnav D Mohale from Tree House High School, Pune
Subject :IMO    Class : Class 5

Ans 1:

Vivaan Purwar from dpsnoida, Noida
Class : Class 5

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):
P.  8 million = 8000000

Predecessor of 8000000 = 8000000 -1 = 7999999
So, P is true.
Q. Largest 5-digit number = 99999
99999 rounded to the nearest tens = 100000
and 100000 is the smallest 6-digit number.
So, Q is true.


Ans 3:

Siya Singh from DPS, Dubai
Class : Class 8
Yes

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