International Maths Olympiad Forum By SOF Olympiad Trainer

Shrey S from Narayana Techno School, Bangalore

Subject :IMO Class : Class 4

8 squares of side 1 cm are cut out of the square D. Now it looks like shape E. What is the length of the boundary of shape E ?

Can anyone explain me the answer.Please.

Ans 1:

Hrihaan Shaikh from DPS-MIS, Doha

Class : Class 7

Ans 2:

Parth Kathuria from Kothari International School, Noida

Class : Class 4

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Shrey S from Narayana Techno School, Bangalore

Subject :IMO Class : Class 4

The given table shows the prices for ice-cream cones at an ice-cream store. Varun orders 9 ice-cream cones : 3 single-scoop cones with extra toppings, 2 double-scoop cones with extra toppings and 4 triple-scoop cones without topping. How much change should Varun receive if he gives Rs 200?

Can anyone explain me the answer.Please.

Ans 1:

Aishani Mukherjee from Delhi Public School Paradip Refinery, Paradip

Class : Class 5

This question has some error.

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Shrey S from Narayana Techno School, Bangalore

Subject :IMO Class : Class 4

Find the next figure in the figure pattern below.

Can anyone explain me the pattern.Please.

Ans 1:

shlok joshi from giis -A, ahmedabad

Class : Class 4

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Shrey S from Narayana Techno School, Bangalore

Subject :IMO Class : Class 4

Kirti placed four cards on the table. The numbers on the cards follows a pattern. If the pattern continues, what should be the next number?

Can anyone explain me the pattern.Please.

Ans 1:

Purnima from Mothers public school Khandagiri, Bhubaneshwar

Class : Class 7

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Dhritiman Sengupta from Euro School Whitefield, Bangalore

Subject :IMO Class : Class 1

Which of the following options will continue the given series?

A
B
C
D

Ans 1:

Dhritiman Sengupta from Euro School Whitefield, Bangalore

Class : Class 4

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Sreyas from Don Bosco, Park Circus, Kolkata

Subject :IMO Class : Class 2

Which pattern follows the rule "Add two squares"?

Ans 1:

Sreyas from Don Bosco, Park Circus, Kolkata

Class : Class 5

Ans 2:

Sreyas from Don Bosco, Park Circus, Kolkata

Class : Class 5

why is this wrong

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Savya Meattle from Vasant Valley School, New Delhi

Subject :IMO Class : Class 8

A man bought a house for ₹ 5 lakhs and rents it. He puts of each month's rent aside for repairs, pays ₹ 1660 as annual taxes and realises 10% on his investment thereafter. What is the monthly rent of the house ?

A₹ 2460
B₹ 2500
C₹ 4920
D₹ 5000