International Maths Olympiad Forum By SOF Olympiad Trainer

Mayank Mili from Delhi Public School, Golaghat

Subject :IMO Class : Class 7

Which of the following statements is CORRECT?

A The products of fractions are expressed as
B The product of two proper fractions is greater than the individual fractions involved in the operation.
C The product of a proper and an improper fraction is less than the proper fraction.
D When a decimal number is to be divided by 10, 100 or 1000, the decimal in the decimal number is shifted to the right.

A

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Ans 1:

Ninad Totekar from Shiksha Sadan, Ponda

Class : Class 7

yes the answer is D not A

Ans 2:

Dhruv from Springdales, Dubai

Class : Class 9

ans is dthis is wrong

Ans 3:

Mayank Mili from Delhi Public School, Golaghat

Class : Class 9

D

Ans 4:

Aadvik saini from Mvn sector 17, Faridabad

Class : Class 8

yes the answer should be D not A

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Hamshini Jyotiprava from Indira National School, Pune

Subject :IMO Class : Class 7

A 34 m long ladder reached a window 16 m from the ground on placing it against a wall. Find the distance of the foot of the ladder from the wall.

A 40 m
B 30 m
C 50 m
D 10 m

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Hamshini Jyotiprava from Indira National School, Pune

Subject :IMO Class : Class 7

In the figure (not drawn to scale), ABC and CDE are straight lines, ∠ACE is a right angle, DF || CG||BH. Find ∠Y.

A 65°
B 73°
C 62°
D 60°

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Swati Stalin from Yuvabharathi International School, Singapore

Subject :IMO Class : Class 1

= 10 and = 5, then which of the following is correct?
A
B
C
D

Sorry, couldnât understand. Can you anyone explain please.

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Ans 1:

Nitika Gadiparthi from Elpro International School, Pune

Class : Class 1

pol

Ans 2:

Nitika Gadiparthi from Elpro International School, Pune

Class : Class 1

Ans 3:

Deborah Charles from Vydehi school of Excellence, Bengaluru

Class : Class 4

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shubham yadav from chs, Varanasi

Subject :IMO Class : Class 8

A swimming pool is 25 m long, 15 m broad and 5 m deep. Find the cost of cementing its floor and the walls at the rate of Rs. 10 per sq. metre.

ARs. 3840
BRs. 7750
CRs. 6960
DNone of these

solution

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Ans 1:

Drishti Byadwal from Sophia girls sn. sec. school , kota

Class : Class 8

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abhinav v from LMOIS, Chennai

Subject :IMO Class : Class 7

Akshit, Rajat, Sanjay and Nikunj each took the same spelling test.
• Akshit spelled of the words correctly.
• Rajat spelled of the words correctly.
• Sanjay spelled of the words correctly.
• Nikunj spelled of the words correctly.
Who spelled the least number of words correctly?

A Akshit
B Rajat
C Sanjay
D Nikunj

nyjr

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Ans 1:

Arrush thorat from Bishops school , Pune

Class : Class 9

Ans 2:

Arrush thorat from Bishops school , Pune

Class : Class 9

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Anhad from Dhirubhai Ambani international school, Mumbai

Subject :IMO Class : Class 7

A field is 225 m long and 175 m wide. It has two roads in its centre of uniform width of 5 m, one parallel to its length and the other parallel to its breadth. Find the cost of levelling the roads at ₹ 3 per square metre.

A ₹ 1975
B ₹ 1125
C ₹ 5925
D ₹ 6125

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Ans 1:

Ekansh Tandon from Fr Agnel Noida, Indirapuram

Class : Class 8

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abhinav v from LMOIS, Chennai

Subject :IMO Class : Class 7

Which of the following statements is CORRECT?

A All natural numbers are whole numbers and all whole numbers are integers.
B All whole numbers are integers and all integers are natural numbers.
C All integers are whole numbers and all natural numbers are integers.
D All integers are whole numbers and all integers are natural numbers.

wrong