International Maths Olympiad Forum By SOF Olympiad Trainer

David De Rosa from DPS East IGCSE, BANGALORE

Subject :IMO Class : Class 3

(a) 102
(b) 90
(c) 82
(d) 74

While answering this question, the last number in the box on the right hand side was only visible as one digit i.e, 3. So my son couldn't tabulate the correct answer and flagged the question.

Ans 1:

Ayush Das from Holy Cross School, Agartala

Class : Class 4

(d) 74

Ans 2:

AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur

Class : Class 9

Easy

Ans 3:

Eshaan Sayyad from Sanjivani Academy, Kopargaon

Class : Class 3

question was not visible properly

Ans 4:

Virath A Dodmani from Stem Field International School, Jabalpur

Class : Class 3

image was not visible after 33 and 34 box

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Devarshi Shimpi from Billabong High International School, Thane

Subject :IMO Class : Class 6

what are algebric expressions ?

Ans 1:

aishi das from bishop morrow school, krishnagar

Class : Class 6

It is a collection of constants and variables connected by one or more of the operations of addition, subtraction, multiplication and division.

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M VIDHYA SARATHY from ,

Subject :IMO Class : Class 5

Alisha had 114 more beads than Beena. After Alisha gave 96 beads to Beena, Beena had twice as many beads as Alisha. How many beads did Beena have at first?
(a) 174
(b) 120
(c) 60
(d) 160

Ans 1:

Mitesh from Shishya BEML Public School, Bengaluru

Class : Class 7

Ans 2:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi

Class : Class 10

C

Ans 3:

om shankar Jadhao from Gurukul English Medlum school , Wadegon

Class : Class 5

C

Ans 4:

Abhigyan Panja from HEMSHEELA MODEL SCHOOL, DURGAPUR

Class : Class 5

c

Ans 5:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi

Class : Class 10

C

Ans 6:

Amartya Dey from DPS Bangalore East, Bangalore

Class : Class 7

c

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Neetu BIjesure from The School, New Delhi

Subject :IMO Class : Class 4

Garima and Latika had an equal number of marbles. Garima gave 35 marbles to Latika. How many fewer marbles did Garima have than Latika now?
(a) 35
(b) 76
(c) 105
(d) 70

Ans 1:

Alan Z Palakkal from Manav Rachna International School, Gurgaon

Class : Class 4

Can you explain why answer is 70 ? I think it should be 35

Ans 2:

Nived from GEMS New Millennium School, Dubai

Class : Class 9

Lets us consider both of them have 70. And Garima has given 35 to Latika. So now, Garima has 35 and Latika has 105. 105-35=70, So now Garima has 70 fewer marbles then Latika.

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Kavya Vohra from Vedaant International School, Indore

Subject :IMO Class : Class 10

The mean height of the 10 girls of a class is 1.4 m and the mean height of the 30 boys of the class is 1.45 m. Find the approximate mean height of the 40 students of the class.
(a) 1.39 m
(b) 1.46 m
(c) 1.42 m
(d) 1.44 m

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Ans 1:

Rishit Verma from CMR NPS, Bengaluru

Class : Class 6

Answer is (d) absolute answer is 1.4375 m which is rounded off to 1.44 m

Ans 2:

Vaidehi from Agragami Convent School.Wardha., wardha

Class : Class 10

option D

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Kavya Vohra from Vedaant International School, Indore

Subject :IMO Class : Class 10

If xcos³θ + ysin³θ = sinθcosθ and xcosθ = ysinθ,
then x² + y² =
(a) 0
(b) 4
(c) 1
(d) 2

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Ans 1:

Kartikay from St. Joseph's Sr. Sec. Convent School Bathinda, Bathinda

Class : Class 10

(C) 1

Ans 2:

Kartikay from St. Joseph's Sr. Sec. Convent School Bathinda, Bathinda

Class : Class 10

(C) 1

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Kavya Vohra from Vedaant International School, Indore

Subject :IMO Class : Class 10

What is the sum of an A.P. whose first term is a, the second term is b and the last term is c?
(a)
(b)
(c)
(d)

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is A.

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Kavya Vohra from Vedaant International School, Indore

Subject :IMO Class : Class 10

If H.C.F of (x - 5)(x² - x - a) and (x - 4) (x² - 2x - b) is (x - 4)(x - 5), find the values of a and b respectively.
(a) 15, 18
(b) 10, 7
(c) -8, 10
(d) 12, 15

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Ans 1:

Brahmacharimayum Dasra from Padma Ratna English School , Kakching

Class : Class 6

Answer is(d) 12,15

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Kavya Vohra from Vedaant International School, Indore

Subject :IMO Class : Class 10

If the third, fourth, fifth, seventh and tenth letters of the word PERSONALITY forms a meaningful word then first letter of the word is the answer. If no word is possible, then 'X' is the answer and if more than one such word is formed, then 'M' is the answer.
(a) R
(b) X
(c) O
(d) M