International Maths Olympiad Forum By SOF Olympiad Trainer

Bhavya kashyap from The Gurukul, Panchkula

Subject :IMO Class : Class 4

Find the number using the given clues.

A87
B99
C93
D66

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Class : Class 8

explain XOXO

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Advaitt S Koduri from Presidium Noida 31, NOIDA

Subject :IMO Class : Class 3

Which of the following statements is true?

A A pentagon has 6 sides.
B A cube has 8 faces.
C All sides of rectangle are of equal length.
D A cuboid has 8 corners.

Ans 1:

AarushJee from Poddar Brio International School, Badlapur

Class : Class 3

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Ishaan from Dhirubhai Ambani International School, Mumbai

Subject :IMO Class : Class 7

The median value of the given data is ______.
98, 75, 96, 180, 270, 102, 94, 100, 610, 200, 75, 80

A 100
B 98
C 97
D 99

Ans 1:

princy gigo from Global Indian International School, Kuala Lumpur

Class : Class 8

Is,It,not,100?

Ans 2:

Rithvik from BVM Global, Chennai

Class : Class 9

guys arrange in array form for median

Ans 3:

Ronav Kerkar from Jamnabai Narsee School, Mumbai

Class : Class 7

Ans 4:

SankalpS from DPS Nagpur, Kamptee road, Nagpur

Class : Class 7

wrong answer

Ans 5:

pritish mukherjee from chettinad vidyasharam, Chennai

Class : Class 7

Answer is wrong

Ans 6:

Garv Agarwal from Somerville School Noida, Noida

Class : Class 4

hi guys! it is saying that the answer is D, 99. How's that possible? could someone explain?

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Samyak Savi from DPS RK PURAM, New Delhi

Subject :IMO Class : Class 9

The pie-chart shown below gives the distribution of land in a village under various food crops. Study the pie-chart carefully and answer the questions that follow: Distribution of areas (in acres) under various food crops

If the production of wheat is 6 times that of barley, then what is the ratio between the yield per acre of wheat and barley?

A3 : 2
B3 : 1
C12 : 1
D2 : 3

answer should be option c 12:1

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GOVIND from sant tukaram SCHOOL,

Subject :IMO Class : Class 7

The given bar graph shows the number of students (in thousands) who opted for three different specializations during the given five years in a university. Study the graph carefully and answer the questions that follows.

Out of the total number of students who opted for the given three subjects in the year 2009, 38% were girls. How many boys opted for Mathematics in the same year?

A1322
B1332
C27900
DCannot be determined

i think option c is correct

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Ans 1:

Sourodeep Pal from Delhi Public School Siliguri, Siliguri

Class : Class 9

wtf

Ans 2:

Siddharth Laxmisha from The Study Lecole Internationale, PUDUCHERRY

Class : Class 8

WTF

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Sanket Kulkarni from Euroschool, Pune

Subject :IMO Class : Class 7

Read the statements carefully and state 'T' for true and 'F' for false.
(i) If an investment triples itself in 30 years, then the rate of simple interest is per annum.
(ii) The ratio of simple interest earned of certain amount at the same rate of interest for 6 years and that for 9 years is 3 : 4.
(iii) A pair of articles was bought for ₹ 37.40 at a discount of 15%. The marked price of each article was ₹ 22.

A
B
C
D

Hey Guys

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Ans 1:

Vedanth from Chrysalis high Kadugodi, Bengaluru

Class : Class 7

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Smyan Ramchandani from P G Garodia ICSE, Mumbai

Subject :IMO Class : Class 4

Study the following statements and select the INCORRECT option.

ASymbols V, L and D can never be subtracted while writing roman numerals.
BThe successor of the greatest 4-digit number is the smallest 5-digit number.
CDifference between the successor and the predecessor of a number is always 1.
DThe difference between the smallest and the largest 5-digit number formed by 3, 4, 6, 0 and 2 (without any repetition of a digit) is 43974.

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Ans 1:

Smyan Ramchandani from P G Garodia ICSE, Mumbai

Class : Class 4

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Aditya Karri from Ganges School, Hyderabad

Subject :IMO Class : Class 5

The given figure is formed by overlapping 4 identical squares. Find the perimeter of the given figure. shaded.

A 108 cm
B 80 cm
C 116 cm
D 98 cm

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Ans 1:

Asmita Bhattacharya from Carmel School , Rourkela

Class : Class 5

Ans 2:

Pratham Dave from GNS, Bangalore

Class : Class 7

Ans 3:

Divit Agarwal from Sarvottam International School, Greater NOIDA West

Class : Class 5

Ans 4:

Vihaan from K R Mangalam World School Vaishali, Ghaziabad

Class : Class 9

Explain it properly, man!

Ans 5:

p lokshith ganesh from baldwin boys high school, bangalore

Class : Class 5

a tricky question

Ans 6:

VAIBHAVI KARN from carmel bokaro thermal, BOKARO THERMAL

Class : Class 6

the answer is 80

Ans 7:

VAIBHAVI KARN from carmel bokaro thermal, BOKARO THERMAL

Class : Class 6

Ans 8:

SIDH DALMIA from GEMS MODERN ACADEMY, Dubai

Class : Class 6

It should be 104, as the first square is not overlapping, so it is 32 cm, and the rest are 3 squares of 24 cm, and 24 x 3 =72 and 72 32 = 104. So it is neither of them.

Ans 9:

Chinmay from JSS public school, Noida

Class : Class 5

answer will be 108 because at the top they have given a full square which has perimeter of 32 cm and the rest 3 squares have 24 cm .So 24 24=24 32=108 cm