International Maths Olympiad Forum By SOF Olympiad Trainer

Nehal from New Horizon Gurukul, Bangalore

Subject :IMO Class : Class 1

For a wedding the decorators have to fix 1250 flowers in the hall. If they had already fixed 985 flowers, how many more flowers do they have to fix?

A 270
B 265
C 272
D 358

easy 265

Ans 1:

Nehal from New Horizon Gurukul, Bangalore

Class : Class 6

easy 265

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ANURAG MOHANTY from DAV Public School Burla, SAMBALPUR

Subject :IMO Class : Class 5

The line graph show the number of cars Jatin sold over the past 5 weeks.

How many more cars did he sell in the last 2 weeks than in first 3 weeks?

A 13
B 2
C 11
D 6

Ans 1: (Master Answer)

from ,

Class :

(D): Number of cars sold in first 3 weeks
= 2 + 4 + 3 = 9
Number of cars sold in last 2 weeks
= 6 + 9 = 15
∴ Jatin sold 15 – 9 = 6 more cars in the last 2 weeks than in first 3 weeks.

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Aniket Patankar from Symbiosis International School, Pune

Subject :IMO Class : Class 8

Two years ago, Mohit was three times as old as his son and two years hence, twice of his age will be equal to five times that of his son. Then the present age of Mohit is ________.

A 14 years
B 38 years
C 32 years
D 34 years

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Ans 1:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida

Class : Class 10

Ans 2:

Anshuman D from MVM, Hyderabad

Class : Class 9

Ans 3:

Aniket Patankar from Symbiosis International School, Pune

Class : Class 8

Ans 4:

PRANAV from DOON INTERNATIONAL SCHOOL, Dehradun

Class : Class 9

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Nehal from New Horizon Gurukul, Bangalore

Subject :IMO Class : Class 1

If = 19 kg, = 94 kg and = 22 kg, then the weight of =?.

A 4 kg
B 3 kg
C 2 kg
D 5 kg

explain in easy way please

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Ans 1:

Thapasya from Indian School Al Mabela, Muscat

Class : Class 4

the solution is very long but easy

Ans 2:

Nehal from New Horizon Gurukul, Bangalore

Class : Class 6

Ans 3:

Nehal from New Horizon Gurukul, Bangalore

Class : Class 6

please explain in easyway

Ans 4:

Bhanu teja from Birla Open Minds, Hyderabad

Class : Class 7

The solution is very difficult can you please make in a easy way

Ans 5:

Nehal from New Horizon Gurukul, Bangalore

Class : Class 6

Ans 6:

Thapasya from Indian School Al Mabela, Muscat

Class : Class 4

option A is the answer its easy

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Tejaojas Abhilash from Naipunya Public School , Kochi, Kochi

Subject :IMO Class : Class 3

How many 1000's, 100's, 10's and 1's should be added to give largest four digit number?

A 9, 9, 9, 9
B 1, 0, 0, 0
C 9, 0, 9, 9
D 1, 1, 1, 1

CORRECT IS a

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Ans 1:

Tejaojas Abhilash from Naipunya Public School , Kochi, Kochi

Class : Class 9

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Anhiti Mandal from Shri Ram School, Gurgaon

Subject :IMO Class : Class 9

D and E are the mid-points of the sides AB and AC, respectively of ∆ABC. DE is produced to F. To prove that CF is equal and parallel to DA, we need an additional information which is

A∠DAE = ∠EFC
BAE = EF
CDE = EF
D∠ADE = ∠ECF

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Rohan from Indian School Sohar, Sohar

Subject :IMO Class : Class 9

In the given Venn diagram, the triangle represents female graduates, small circle represents self-employed females and the big circle represents self-employed females with bank loan facility.
Which number represents non-graduate self-employed females are with bank loan facility?

A 2
B 9
C 6
D 1

2 and 6 are both possible

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Ans 1:

Rohan from Indian School Sohar, Sohar

Class : Class 9

Ans 2:

ARYAN PRASAD from Podar Internation School, Vadodara

Class : Class 9

1 , 2 and 6 all are the possibilities

Ans 3:

Gauransh Gupta from Manavsthali School R-block, NEW DELHI

Class : Class 5

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Nehal from New Horizon Gurukul, Bangalore

Subject :IMO Class : Class 4

Four basketball players scored the following numbers of points during four years of high school.
2005, 1983, 1990, 1899
Which of the following options shows the points in order from the greatest to the least?

A1990, 1983, 1899, 2005
B1990, 1983, 2005, 1899
C2005, 1990, 1899, 1983
D2005, 1990, 1983, 1899

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Ans 1: (Master Answer)

from ,

Class :

(D):

2005 > 1990 > 1983 > 1899

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Ishat from DPS, GURUGRAM

Subject :IMO Class : Class 8

If the first half of the English alphabet series are written in reverse order, then which letter should be 8^th letter to the left of 14^th letter from the right end?

AE
BG
CF
DI

the answer should be "F" not "I"

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Ans 1:

from ,

Class :

answer is F

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Ishaan Singhal from CCWS, Jaipur

Subject :IMO Class : Class 6

Which of the following is NOT true?

A (7 + 8) + 9 = 7 + (8 + 9)
B (7 × 8) × 9 = 7 × (8 × 9)
C 7 + 8 × 9 = (7 + 8) × (7 + 9)
D 7 × (8 + 9) = (7 × 8) + (7 × 9)

if we see option c we will see that according to the rule of BODMAS first 8*9 will be done first and then 7 but in the some option second equation brackets are there so they will be solved first , so there answers will be 79 ,3528 so they are nt equal

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Ans 1:

Yashwant Nagarajan from NPS International School, Singapore

Class : Class 9

Ans 2:

Chetan Datta Rajavaram from Meridian madhapur, Hyderabad

Class : Class 10

Ans 3:

Iniya from Sunshine Chennai Senior Secondary School, Chennai

Class : Class 9

Class: 6correct answer: Cthank you : )

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