International Maths Olympiad Forum By SOF Olympiad Trainer

GEETHIKA REDDY MARREDDY from SilverOaks , Hyderabad

Subject :IMO Class : Class 5

Identify the number.
• It is a 3-digit number.
• All of its digits are different.
• The sum of all of its digits is 15.
• The tens digit is three times the ones digit.

A651
B762
C564
D726

The number 762 is a 3-digit numberwhose all digits are different.Also, sum of its digits = 7 6 2 = 15 andits tens digit is three times of ones digit, i.e.tens digit = 2 × 3 = 6

Ans 1:

GEETHIKA REDDY MARREDDY from SilverOaks , Hyderabad

Class : Class 6

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Aradhya Rahul from APS bollarum, Hyderabad

Subject :IMO Class : Class 5

How many angles are formed inside the given figure?

A12
B8
C13
D14

i am not at all seeing 14 angles in this shape.if any one of you can mark me the fourteenth angle which is missing pls show

Ans 1:

Aradhya Rahul from APS bollarum, Hyderabad

Class : Class 6

i am not able to see the correct number of angles over here pls point out the angles.

Ans 2:

Tejaswini’s M from ,

Class : Class 1

They didn't give the solution to this question

Ans 3:

Kavyam Rustagi from Bloom Public School, Vasant Kunj, New Delhi

Class : Class 5

no its 9 inside

Ans 4:

ANANYA SHUKLA from STEP BY STEP, NOIDA

Class : Class 5

they did not give solution to this question, and they can be max only 11

Ans 5:

Madhav Bhanot from Oakridge International School, Hyderabad

Class : Class 4

Ans 6:

Rudransh Aneja from Billabong High, Noida

Class : Class 5

WRONG

Ans 7:

Debaditya Chakrabarty from South Point, Kolkata

Class : Class 5

Ans 8:

Madhav Bhanot from Oakridge International School, Hyderabad

Class : Class 4

Count carefully there are 14 angles only

Ans 9:

Sartha from Podar International School Kolhapur, Kolhapur

Class : Class 5

wrong

Ans 10:

Sumati from s, s

Class : Class 5

it is only 13 you dont know how to count

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Kiarra from Pathways, Gurgaon

Subject :IMO Class : Class 5

Compare and fill the box.

A=
B>
C<
DCan’t be determined

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Harsifat Singh Malhotra from St Peters academy , Patiala

Subject :IMO Class : Class 6

What fraction of the given figure is shaded?

A ¹³⁄₂₈
B ⁷⁄₁₄
C ⁶⁄₁₄
D ¹⁵⁄₂₈

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Harsifat Singh Malhotra from St Peters academy , Patiala

Subject :IMO Class : Class 6

Pointing towards Sneha, Rohit said, "Her father is my mother's only son''. How is Sneha related to Rohit?

A Niece
B Daughter
C Mother
D Sister

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Harman Saini from Cambridge Court World School , Jaipur

Subject :IMO Class : Class 5

There is a certain relationship between the pair of figures on the either side of ::. Identify the relationship on the left pair and find the missing figure.

A
B
C
D

wrong question

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Akshaj V from PSBB Senior Secondary School, Chennai

Subject :IMO Class : Class 5

How many prime numbers lie between 51 and 120?

A14
B15
C13
D16

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aayat khan from Lotus Valley International School, Noida

Subject :IMO Class : Class 2

If + + + + + + = 203 and + + + = 146,
then find the value of .

A 21
B 17
C 19
D 23

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aditya pawar from saraswati vidyalya, thane

Subject :IMO Class : Class 8

Two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers is to be answered. The operation on numbers progress from left to right.
Rules :
(i) If an odd number is followed by another composite odd number, they are to be multiplied.
(ii) If an even number is followed by an odd number, they are to be added.
(iii) If an even number is followed by a number which is a perfect square, the even number is to be subtracted from the perfect square.
(iv) If an odd number is followed by an even number, the second one is to be subtracted from the first one.
(v) If an odd number is followed by a prime odd number, the first number is to be divided by the second number

If x is the resultant of the first row, then what will be the resultant of the second row?

A5
B10
C45
D75

if x is equal to 55 then as per rule no 5 we have to divide 55 by 11 and we get 5 as answer so as per rule no 1 we should multiply 5 by 15 giving us a result of 75

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Ans 1:

shanjeev from dviacademy, chennai

Class : Class 8

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REYANSH JAIN from Pawar Public School hadapsar, pune, pune

Subject :IMO Class : Class 5

The number of runs scored by a player in four months is as follows :

In which month, the highest number of runs scored?

AJune
BMarch
CApril
DMay

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