International Maths Olympiad Forum By SOF Olympiad Trainer

Shaurya Verma from Greenwood High, Bangalore

Subject :IMO Class : Class 6

Find the difference between the place values of two 5’s in 653852.

A 49900
B 49056
C 49950
D 49000

Ans 1:

SAMEER ANAND from ST MICHAEL'S HIGH SCHOOL, PATNA

Class : Class 6

ans c is correct

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ARMAAN GUHA from DELHI PUBLIC SCOOL NOIDA , NOIDA

Subject :IMO Class : Class 5

Sunita has planted 10 trees along a straight road The first tree was planted at the beginning of the road and the last tree at its end The distance between two neighbouring trees was 75 m. How long was the road?

A650 m
B575 m
C675 m
D600 m

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Ans 1:

Aarav sugla from Niraj International School , Secunderabad

Class : Class 5

Ans 2:

Navya from Podar International School Powai, Mumbai

Class : Class 4

I forgot to see that we had to count the gap and not the tree. That is probably why I got it wrong

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Ayush Anand Sharma from GEMS international school , Gurgaon

Subject :IMO Class : Class 3

Find the figure from the options which is exactly embedded in Fig. (X).

Fig.(X)

A
B
C
D

(B) is correct

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Ans 1:

ASHMI Narkar from Vibgyor High Airoli, Navi Mumbai

Class : Class 4

I clicked C means C only YOU marked another answer and answer is C

Ans 2:

Ayush Anand Sharma from GEMS international school , Gurgaon

Class : Class 7

(B) is correct

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Krishnan from Grove school, Chennai

Subject :IMO Class : Class 4

Rakesh made the bar graph for different coloured marbles. By mistake he interchanged the bars for green colour and red colour. Consider the given bar graph and answer the following questions.

(i) What is the actual difference between the number of red coloured and yellow coloured marbles?
(ii) What is the sum of brown, green and blue coloured marbles he actually has?

A
B
C
D

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

(C):

After interchanging the bars for green
colour and red colour,
Number of brown colour marbles = 50
Number of green colour marbles = 20
Number of blue colour marbles = 80
Number of red colour marbles = 110
Number of yellow colour marbles = 60
(i) Actual difference between the number of red coloured and yellow coloured marbles = 110 - 60 = 50
(ii) Sum of brown, green and blue coloured marbles he actually has = 50 + 20 + 80 = 150

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Shivam Phulpagare from S.B. PATIL PUBLIC SCHOOL, Pune

Subject :IMO Class : Class 6

Aarti bought a strip of cloth that was 2.56 m long. She glued some pink and yellow flowers alternately from the beginning to the end of the strip at equal distance of 8 cm. If the first flower she glued was yellow, then how many yellow flowers did she use? A16 B17 C15 D18

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Shivam Phulpagare from S.B. PATIL PUBLIC SCHOOL, Pune

Subject :IMO Class : Class 6

Rohan had a bag of balls. of them were green balls, of them were red balls, 15 were black balls and the remaining 48 were yellow balls. How many balls were in the bag? A45 B63 C90 D108