International Maths Olympiad Forum By SOF Olympiad Trainer

Hitarth Bhardwaj from Teoler High School, Jaipur

Subject :IMO Class : Class 5

A man buys If he give ₹ 50 to the shopkeeper, then how much change would he get back?

A₹ 15
B₹ 13
C₹ 10
D₹ 20

Class: 5Answer is C

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Subhankar Bharadwaj from Delhi public school, Numaligarh

Subject :IMO Class : Class 8

Present ages of Trishika and Sanchi are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Sanchi’s present age?

A 24 years
B 27 years
C 40 years
D 30 years

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Rohan Singhal from Manav Rachna International School, Gurgaon

Subject :IMO Class : Class 4

The number represented by the abacus is _________.

AForty five hundred thousand two hundred ninety seven
BForty five thousand two hundred seventy nine
CFour ten thousand five thousand two hundred ninety seven
DForty five thousand two hundred ninety seven

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Ans 1:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata

Class : Class 7

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Ans 2:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata

Class : Class 7

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Tanmay kaushal from ICSE, Mumbai

Subject :IMO Class : Class 5

There is a certain relationship between figures (i) and (ii). Establish a similar relationship between figures (iii) and (iv) by selecting a suitable figure from the given options which will replace the (?) in fig. (iv).

A
B
C
D

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Ans 1:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura

Class : Class 7

D

Ans 2:

Aayansh sahu from Apeejay School, Ulwe

Class : Class 3

Ans 3:

Srihaan from PM SHRI KENDRIYA VIDYALAYA, Jamnagar

Class : Class 5

its good but hard and encouraging

Ans 4:

Aayansh sahu from Apeejay School, Ulwe

Class : Class 3

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AARATRIKA from DLF PUBLIC SCHOOL GHAZIABAD, ghaziabad

Subject :IMO Class : Class 2

If = 30 and
= 22, then find the value of

A8
B4
C6
D3

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SJ HARITHA from PSNLO, BENGALURU

Subject :IMO Class : Class 6

Using a ruler and compasses, which of the following constructions can be made?

AA circle, when the length of its radius is known.
BThe perpendicular bisector of a line segment of the given length.
CBoth A and B
DNone of these

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Ans 1:

Aryav Gupta from BomBay Scottish Mumbai, Mumbai

Class : Class 6

statement B is a segment not sector

Ans 2:

Aryav Gupta from BomBay Scottish Mumbai, Mumbai

Class : Class 6

you need a compass for B

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Shreyans Mondal from Sri Chaitanya Techno School Kaggadasapura Campus 1, Bengaluru

Subject :IMO Class : Class 6

If in a certain code language, 'NATION' is written as 'OZUHPM', then how will 'REASON' be written in the same language?

ASBDRNP
BSDBRNM
CQFZTNO
DSDBRPM