International Maths Olympiad Forum By SOF Olympiad Trainer

Sanjani from Narayana, Kolkata

Subject :IMO Class : Class 4

If the weight of the cat is 1/4 of the weight of dog, then what is the weight of the dog?

(a) 7 kg
(b) 6 kg
(c) 8 kg
(d) 5 kg

Ans 1:

vineet8026@gmail.com from dps, Doha

Class : Class 1

B

Ans 2:

ahaan tripathi from st joseph co-ed school, BHOPAL

Class : Class 5

B

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Ahaan Singh from Bahrain Indian School, Bokaro Steel City

Subject :IMO Class : Class 1

If Aman's birthday is 4 days before second Wednesday of January 20XX, then when will Aman celebrate his birthday?

A3^rd January
B14^th January
C6^th January
D18^th January

Ans 1:

Ishani sahu from ST. Thomas Mission English School Jhalap, mahasamund

Class : Class 3

C

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Ahaan Singh from Bahrain Indian School, Bokaro Steel City

Subject :IMO Class : Class 1

Weight of a box is shown here. What will be the weight of 5 such boxes?

A5 kg
B4 kg
C10 kg
D20 kg

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Ahaan Singh from Bahrain Indian School, Bokaro Steel City

Subject :IMO Class : Class 1

Sonali has 20 flowers. She puts them equally into baskets of 3 flowers each. How many flowers are left in the end?

A1
B2
C0
D3

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Himanshu soni from School of manners and education, Mathura

Subject :IMO Class : Class 7

Hi

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Harsh Kumar from Maharishi Vidya Mandir, Guwahati

Subject :IMO Class : Class 7

In a ΔABC, if AB + BC = 10 cm, BC + CA = 12 cm, CA + AB = 16 cm, then the perimeter of the triangle is ______.

A 19 cm
B 17 cm
C 28 cm
D 22 cm

It is given that, AB BC = 10 cm ...(i) BC CA = 12 cm ...(ii) CA AB = 16 cm ...(iii) Adding (i), (ii) and (iii); we get, 2(AB BC CA) = 10 12 16 â AB BC CA = 19 cm.

Ans 1:

Harsh Kumar from Maharishi Vidya Mandir, Guwahati

Class : Class 8

It is given that, AB BC = 10 cm ...(i) BC CA = 12 cm ...(ii) CA AB = 16 cm ...(iii) Adding (i), (ii) and (iii); we get, 2(AB BC CA) = 10 12 16 â AB BC CA = 19 cm.

Ans 2:

Aryansinh Vadher from Nirma vidyavihar , Ahmedabad

Class : Class 7

thanks

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Prateeshtha Ghosh from Samhita Academy, Bangalore

Subject :IMO Class : Class 5

Evaluate : 2 1/8 - 3 1/4 + 5 1/2 BY 2.2 + 0.8 X 16

Ans 1:

AREEN from BOLTON, HYDERABAD

Class : Class 6

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Prateeshtha Ghosh from Samhita Academy, Bangalore

Subject :IMO Class : Class 5

Find the mirror-image of given Fig. (X).

A
B
C
D

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Seshasayee sudharsan from PSBB Learning Leadership Academy, Bangalore

Subject :IMO Class : Class 5

Which of the following is ninth to the right of the seventeenth from the right end of the given arrangement? M4⋿%J9IB@U8©N#F1V7*2AH3Y5$6K AA B% CI DY

Ans 1:

Prateeshtha Ghosh from Samhita Academy, Bangalore

Class : Class 8

I think a is the answer !!!!!!!!!

Ans 2:

Prateeshtha Ghosh from Samhita Academy, Bangalore

Class : Class 8

I think a is the ans !!!!!!!!!

Ans 3:

AREEN from BOLTON, HYDERABAD

Class : Class 6

Second A from the right end.

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Akriti ANannd from DPS Gaya, GAYA

Subject :IMO Class : Class 7

A rectangular field is 112 m long and 100 m wide. Two roads, each 3 m wide are to be constructed at the centre of this field; one is parallel to the length of the field and the other is parallel to the breadth of the field.
Find :
(i) Area of the part of the field, not covered by the roads.
(ii) Cost of constructing the road at ₹ 17 per m².

	(i)	(ii)
A	3248 m²	₹ 2890
B	10573 m²	₹ 10659
C	16582 m²	₹ 20480
D	10573 m²	₹ 1250

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