International Maths Olympiad Forum By SOF Olympiad Trainer

Adithya from Yuvabharathi public school, Coimbatore

Subject :IMO Class : Class 6

Which of the following figures has only two lines of symmetry ?

A
B
C
D

Ans 1:

Kushal from Chirec, Hyderabad

Class : Class 7

Ans 2:

Iba khan from DPS GBN, Noida

Class : Class 6

but rectangle can be cut diagonally somebody pls explain

Ans 3:

Kanav Dhingra from DPS sec45, Gurgaon

Class : Class 10

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Vishal B from National Public School, Chennai

Subject :IMO Class : Class 6

Select the INCORRECT statement.

A Tina had 1556 cm long cloth. She cut 13 m 50 cm from it. The length of cloth left with her is 2.06 m.
B Neetu bought 500 g potatoes, 250 g capsicums, 700 g onions, 500 g tomatoes, 100 g gingers and 300 g radish. The total weight of the vegetables she bought is 2.350 kg.
C Rita got ₹ 500 and spent ₹ 117.35 on stationery items and ₹ 50.75 on eatables. The amount left with Rita is ₹ 331.09.
D Yashika has to cover a distance of 20 km 50 m. She walked 1 km and went by bus for 15 km and hired an auto for rest of the distance. The distance she covered by auto is 4.05 km.

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Ans 1:

Arpan Kumar from Johnson Grammar School, Secunderabad

Class : Class 6

Ans 2:

Vihaan Nair from Ambassador School, DUBAI

Class : Class 8

Ans 3:

Vihaan Tyagi from Vikas the concept, Hyderabad

Class : Class 10

Ans 4:

Arpan Kumar from Johnson Grammar School, Secunderabad

Class : Class 6

A is the correct answer

Ans 5:

Aadvik saini from Mvn sector 17, Faridabad

Class : Class 8

Ans 6:

Aakarsh from aloo public school, Lucknow

Class : Class 7

C is wrong

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Ruthvik from westberry, tenali

Subject :IMO Class : Class 6

what's 20A300B47A36 you should apply bodmas rule [A=add,B=subtract

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Samaira from Global Indian International School, Bangalore

Subject :IMO Class : Class 4

Bobby baked 4 butter cookies and some chocolate cookies. If he backed 12 cookies in all, what fraction of the cookies were chocolate cookies?

A7/12
B4/12
C6/12
D8/12

Backed?

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Ans 1:

Lakshmi Jageesh from MLZS, BANGALORE

Class : Class 4

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Garv Agarwal from Somerville School Noida, Noida

Subject :IMO Class : Class 6

How many of the following figures are symmetrical?

A 9
B 10
C 3
D None of these

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Ans 1:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee

Class : Class 10

why not iv?

Ans 2:

Kaashvi Sharma from Bal Bharati Public School, GRHM, New Delhi

Class : Class 8

I, II, III, V, VI, VII, VIII, X. They all are symmetrical.

Ans 3:

SOUVAGYA SAHA from De Nobili School, DHANBAD

Class : Class 10

Ans 4:

Shailaja Divakar from Chennai public school global school, London

Class : Class 6

Ans 5:

Dhairya chandrakar from Delhi public school dhamtari, Dhamtari

Class : Class 6

please explain your answer

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Avaneesh Sai Vemparala from The knowledge habitat, Pune

Subject :IMO Class : Class 7

Which of the following steps is INCORRECT, while constructing LMN, right angled at M, given that LN = 5 cm and MN = 3 cm?
Step 1.MN of length 3 cm.
Step 2.M, draw MX MN. (L should be some where on this perpendicular).
Step 3.N as centre, draw an arc of radius 5 cm. (L must be on this arc, since it is at a distance of 5 cm from N).
Step 4.L has to be on the perpendicular line MX as well as on the arc drawn with centre N. Therefore , L is the meeting point of these two and LMN is obtained.

A Only Step 4
B Both Step 2 and Step 3
C Only Step 2
D None of these

The answer should be a as he has not mentioned that LM is drawn.Step 4 should also contain that

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Ans 1:

teesta from DPSW, Bangalore

Class : Class 10

Ans 2:

Garv Agarwal from Somerville School Noida, Noida

Class : Class 5

could you answer/ explain this??????

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Vania Aravindan from Unicent School , Miyapur Hyderabad

Subject :IMO Class : Class 2

The number of red toffees to the right of yellow toffee is _______.

A3
B2
C4
D5

ok

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Ans 1:

Vania Aravindan from Unicent School , Miyapur Hyderabad

Class : Class 8

Ans 2:

Vania Aravindan from Unicent School , Miyapur Hyderabad

Class : Class 8

ok

Ans 3:

Vania Aravindan from Unicent School , Miyapur Hyderabad

Class : Class 8

Ans 4:

Vania Aravindan from Unicent School , Miyapur Hyderabad

Class : Class 8

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Vania Aravindan from Unicent School , Miyapur Hyderabad

Subject :IMO Class : Class 2

Mohit needs to drive to the Library via Raj's home.

The given figure shows the number of routes he can take. How many different ways are there for Mohit to go to the Library?

A6
B8
C4
D5