International Maths Olympiad Forum By SOF Olympiad Trainer

Arnav jain from Ruchika school, Bhubaneshwar

Subject :IMO Class : Class 5

There is a certain relationship between figures (i) and (ii). Establish the same relationship between figures (iii) and (iv) by selecting a suitable figure from the options which will replace the (?) in figure (iv).

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Anirvesh A Nair from EuroSchool North Campus, Yelahanka, Bangalore, Bangalore

Subject :IMO Class : Class 3

Direction- 300 pupils from a primary school took part in a survey of the number of siblings they have. The given bar graph shows the information gathered.

How many pupils have fewer than 3 siblings?
Answer is 180, not 190

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Rimil Chattopadhyay from Delhi Public School-Bopal, Ahmedabad

Subject :IMO Class : Class 8

Read the following statements carefully and state 'T' for true and 'F' for false and select the correct option.
(i) Two dice are thrown together. The probability that the sum of the numbers on the two faces is divisible by 4 is ¹⁄₂.
(ii) In a simultaneous throw of a pair of dice, the probability of getting a total more than 7 is ⁵⁄₁₂.
In a simultaneous throw of two dice, the probability of getting a doublet is ¹⁄₄.
Three unbiased coins are tossed. The probability of getting at most two heads is ⁵⁄₈.
(i) (ii) (iii) (iv)

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Samra Farhat from Laxman Public School, New Delhi

Subject :IMO Class : Class 4

If flowers Q and S interchange their positions, then which flower is third from the left end?

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Aditya Gad from Hedgewar High School Goa , Panaji

Subject :IMO Class : Class 6

Which sign will show correct comparison between the given expressions?

A >
B <
C =
D Can’t be determined

question is not framed properly it should be written in one line.

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pradeep reddy from Delhi Public School, Hyderabad City

Subject :IMO Class : Class 6

Two positions of a dice are shown here. When six is at the bottom, what number will be at the top?

For this it is 1,if you flip the sides in a dice total count should be 1,combinaitons are 4,3-6,1-5,2.Please correct your answer

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Karthikeya Samudrala from DPS, Bangalore

Subject :IMO Class : Class 6

In a certain code language,
(a) 'kemp lamp tems' means 'speak the truth';
(b) 'bis tim nak' means 'always seek knowledge';
(c) 'tim tems sik' means 'knowledge is truth';
(d) 'lik bis zap' means 'never seek violence'.
Which letter code stands for 'always'?

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Ans 1:

Daksha Neill from Somerville school, Delhi

Class : Class 4

how option a is right

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Praneeth from Null, Null

Subject :IMO Class : Class 8

The external dimensions of an open wooden box are 65 cm, 34 cm and 25 cm. If the box is made up of wood 2 cm thick, then find the volume of wood used to make the box.