International Maths Olympiad Forum By SOF Olympiad Trainer

Shanvi from Giis, Bangalore

Subject :IMO Class : Class 3

The weight of a marble is 5 grams. What is the minimum number of marbles needed to tip the scale below to the right?

A6
B8
C10
D5

The answer and the solution is wrong

Ans 1:

Swayam agarwal from Vikas the concept school, Hyderabad

Class : Class 3

A

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ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR

Subject :IMO Class : Class 6

A retailer bought 12000 strawberries. He threw 144 strawberries that were rotten. He packed the remaining strawberries equally in 76 boxes. How many strawberries were there in each box?

A156
B149
C160
D250

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Naseera Jorden from DPS Daulatpur, Haridwar

Subject :IMO Class : Class 2

A pair of shoes costs ₹ 150 and a T- shirt costs ₹ 120. Now, answer the following questions.

How much will 2 similar pairs of shoes cost ?

A ₹ 300
B ₹ 350
C ₹ 450
D ₹ 250

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Ans 1:

ADRIJA RAY CHOWDHURY from APEEJAY SCHOOL, SALT LAKE, KOLKATA

Class : Class 4

The correct answer will be D

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Irene from Kv, KOTTAYAM

Subject :IMO Class : Class 6

Which of the following hands of the clock shows 3/4 of a revolution?

A

B

C

D

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shweta garg from Apeejay School, Ghaziabad

Subject :IMO Class : Class 7

State 'T' for true and 'F' for false and select the correct option.
(i) Every natural number is a rational number.
(ii) Every rational number is a fraction.
(iii) Zero is not a rational number.
(iv) The reciprocal of 0 is

A
B
C
D

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Ans 1:

shweta garg from Apeejay School, Ghaziabad

Class : Class 7

Ans 2:

Shaurya from nps, Bangalore

Class : Class 3

D is the correct answer not C since every rationalNumber can be expressed as a fraction the answer as per the analysis given is incorrect

Ans 3:

Narayani Haldar from Headstart Education Acedemy, Bangalore

Class : Class 6

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Student from School, City

Subject :IMO Class : Class 8

Number of edges in a triangular prism is ______.

A 9
B 6
C 5
D 8

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Ans 1:

rajib jana from DPS MEGA City, Kolkata

Class : Class 8

Option a obvi

Ans 2:

shreya more from svpv, bhayandar

Class : Class 8

9

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Hamzah from DPS Dubai, Dubai

Subject :IMO Class : Class 8

The simple interest at x % for x years will be ₹ x on a sum of ____.

A ₹ x
B ₹ 100 x
C
D

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Ans 1:

Aarush Babbar from Birla Vidya Niketan New Delhi, New Delhi

Class : Class 8

ANS

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VVM from dps, Ghaziabad

Subject :IMO Class : Class 9

The given question is followed by three statements.
Study the statements carefully and decide which of the following statement(s) is/are necessary to answer the question. What is the total surface area of cone?
(I) The area of the base of the cone is 1386 cm².
(II) The curved surface area of the cone is 2310 cm².
(III) The volume of the cone is 3696 cm³.

AI and either II or III
BII and either I or III
CIII and either I or II
DAny two of the three

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Ans 1:

KETAKI SUBHASH GHATOL 2 from CSA Satara, Satara

Class : Class 10

Ans 2:

Reyansh Singla from St. Joseph's Convent School, Bathinda

Class : Class 10

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shaurya aggarwal from scholars rosary senior secondary school, rohtak

Subject :IMO Class : Class 7

If 'Orange' is called 'Butter', 'Butter' is called 'Soap', 'Soap' is called 'Ink', 'Ink' is called 'Honey' and 'Honey' is called 'Sugar', then which of the following is used for washing clothes?

AHoney
BButter
CSugar
DInk

INK

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Ans 1:

Arnav Kumar Saxena from The Sanskaar Valley School, Bhopal

Class : Class 7

Ans 2:

Aabha Matkar from EUROSCHOOL WAKAD , PUNE wakad

Class : Class 7

As we wash clothes with soap, according to the question soap is known as ink. so Ink (D) is the answer.

Ans 3:

Kanav Sancheti from JPHS, Jaipur

Class : Class 7

as we know soap is used to clean clothes,here soap is written as ink so the answer would be ink

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Harsh Kumar from Brahma Prakash D.A.V School, Telangana

Subject :IMO Class : Class 8

The length of longest pole that can be placed on the floor of a room is 10 m and the length of the longest pole that can be placed in the room is 10√2 m. The height of the room is _____.

A6 m
B7.5 m
C8 m
D10 m

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Ans 1:

SAMRUDDHI from Pis, Aurangabad

Class : Class 9

Ans 2:

Anal Raj from D.A.V, Pakur

Class : Class 8

Ans 3:

kartik durgapal from kumaon public school , dwarahat

Class : Class 8

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