International Maths Olympiad Forum By SOF Olympiad Trainer - Page 119

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RITAM JOARDAR from St' Mary's English School , RANAGHAT

Subject :IMO Class : Class 5

The perimeter of a rectangular picture is 160 cm. It is 30 cm wide. How long is it?

A
B 50 cm
C 100 cm
D 130 cm

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Rijrashwa Sreejith from Devamatha C M I Public School, Thrissur

Subject :IMO Class : Class 10

Which of the following statements is incorrect?
(A) Sum of n terms of the list of numbers .

(B) The common difference of the A.P. given by an = 3n + 2 is 3.
(C) The sum of the A.P. (–5), (–8), (–11), ..., (–230) is – 8930.

A Only (A)
B Only (B)
C Both (A) and (B)
D (A), (B) and (C)

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Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon

Subject :IMO Class : Class 3

The given bar graph shows the time taken by 6 competitors to run a 200 m race. Study the given graph and answer the following question.

Who completed the race before Ali but after Jatin?

A Raghav
B Rohit
C Viraj
D Mohit

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Ans 1:

Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon

Class : Class 4

answer should be c

Ans 2:

Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon

Class : Class 4

Ans 3:

Mukund from GIIS, Bangalore

Class : Class 3

ANWSER: C X@

Ans 4:

Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon

Class : Class 4

Ans 5:

Mukund from GIIS, Bangalore

Class : Class 3

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aditya singh from St Francis de sale , New Delhi

Subject :IMO Class : Class 10

If 2 is a root of the equation x² + bx + 12 = 0 and the equation x² + bx + q = 0 has equal roots, then q is equal to

A 8
B –8
C 16
D –16

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ishaan rallapalli from HBR, Hyderabad

Subject :IMO Class : Class 4

Some letters are given which are numbered 1, 2, 3, 4, 5 and 6 followed by four options containing combinations of these numbers. Find the combination of numbers so that letters are arranged accordingly to form a meaningful English word.

A 4, 3, 5, 6, 1, 2
B 4, 3, 5, 6, 1, 2
C 4, 3, 5, 6, 1, 2
D 4, 2, 3, 6, 1, 5

none of the given options is correct. One of the possibilities is 423165

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Ans 1:

Vivaan A V from Loyola school, Jamshedpur

Class : Class 4

Ans 2:

Vihaan Yadav from NKBGS SECTOR 17 DWARKA NEW DELHI , Delhi

Class : Class 4

Ans 3:

Saar G from Kothari International School, Delhi

Class : Class 4

Ans 4:

Shlok Verma from NPS, Bengaluru

Class : Class 4

but the people were at least smarter than you dumbos.

Ans 5:

Samanvi Prashanth from National Public School Kengeri, Bangalore

Class : Class 5

all options are wrong the correct pattern is 423165

Ans 6:

RC from Vibgyor, Navi Mumbai

Class : Class 8

423165 is the correct answer which says NATURE

Ans 7:

Vivaan A V from Loyola school, Jamshedpur

Class : Class 4

AND THEY GAVE THAT IT IS NTE SOMETHINGWTH

Ans 8:

Vivaan A V from Loyola school, Jamshedpur

Class : Class 4

WTF all answers are wrongTHEY'VE LITERALLY WRITTEN NATURE AS NATRUE

Ans 9:

RC from Vibgyor, Navi Mumbai

Class : Class 8

the answers A B and C show the same pattern 435612 which says NTERUA. D is 423615 which says NATRUE . all options are WRONG.

Ans 10:

Yatindra G from SBOA, Chennai

Class : Class 4

YEAH RC

Ans 11:

Aarya Ranjan from Chrysalis High Varthur, bangalore

Class : Class 5

all options are wrong the correct one is 423165

Ans 12:

Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar

Class : Class 4

The correct answer should be D because the options resembles as follow:-a-NTERUAb-NTERUAc-NTERUAd-NATUREThus,the option D that resembles 'NATURE' is actually correct.

Ans 13:

Shlok Verma from NPS, Bengaluru

Class : Class 4

this is such a bad question.the people who made these were really dumb

Ans 14:

Bhavni Oberoi from Amity International School, Visakhapatnam

Class : Class 4

what is this question

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VAIDIK JANA from BIRLA HIGH SCHOOL MUKUNDAPUR, KOLKATA

Subject :IMO Class : Class 2

Rohit spends ₹ 250 to buy two of the following items. Which two things did he buy ?

A Toy car and Doll
B Doll and Pencil
C Toy car and Shirt
D Doll and Shirt

Sorry it was My fault

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Ans 1:

VAIDIK JANA from BIRLA HIGH SCHOOL MUKUNDAPUR, KOLKATA

Class : Class 4

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Inaaya from Greenwood High, BANGALORE URBAN

Subject :IMO Class : Class 8

The square root of correct upto two decimal places is ________.

A 2.68
B 2.69
C 2.67
D 2.66

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SHREYAN GUPTA from GARDEN HIGH SCHOOL, KOLKATA

Subject :IMO Class : Class 8

A labourer is paid ₹ 806 for 13 days of work. If he receives ₹ 1,798, for how many days did he work?

A 29
B 35
C 60
D 40

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Atharv Gupta from Pawar Public school, pune

Subject :IMO Class : Class 10

Out of group of Swans, times the square root of number of Swans are playing on the shore of the tank. Remaining two are quarreling in the water. Find the total number of swans and the number of Swans playing on the shore of the tank respectively.

A14, 16
B16, 12
C14, 12
D16, 14