International Maths Olympiad Forum By SOF Olympiad Trainer - Page 317
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Yatharth from Guardian School ICSE, Dombivali
Subject :IMO    Class : Class 3

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Tanvi from Indira National School, Pune
Subject :IMO    Class : Class 7

Ans 1:

A Malik from The Mothers International School, New Delhi
Class : Class 7
On transversal S, value of x =120 On transversal T, value of y= 135 So answer is 255

Ans 2:

KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Class : Class 8
x=180-60=120(corresponding angles are equal) y= 180-45=135 (corresponding angles are equal) x+y=120+135=255

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DANY JACOB SAJI from Christ Academy, Bangalore
Subject :IMO    Class : Class 6

Ans 1:

Achintya Goel from CHIREC International School, Hyderabad
Class : Class 8
The answer is C: Rs(5 + 4m)

Ans 2:

Achintya Goel from CHIREC International School, Hyderabad
Class : Class 8

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Bhumika from Navy children school, Mumbai
Subject :IMO    Class : Class 4

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divya sree from The hyderabad public school , Hyderabad
Subject :IMO    Class : Class 7

Ans 1:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
D

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divya sree from The hyderabad public school , Hyderabad
Subject :IMO    Class : Class 7

Ans 1:

KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Class : Class 8
the LCM of 8,16 and 32 is 32 5/8=20/32 8/16=16/32 21/32=21/32 therefore, 16/32<20/32>21/32 also, 8/16<5/8>21/32 therefore 5/8 is between 8/16 and 21/32

Ans 2:

A Malik from The Mothers International School, New Delhi
Class : Class 7
5/8=10/16=20/32...so option B is out (19/32 is less than 20/32) Option C is out (10/16 is is greater than 8/16) and for same reason option D is also out So answer is option A

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Bindiya Bhoi from null, null
Subject :IMO    Class : Class 5

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Bindiya Bhoi from null, null
Class : Class 4

Ans 2:

Vatsala from DPS, Durg
Class : Class 8

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Harshita Jain from CCA School, Gurugram
Subject :IMO    Class : Class 5

Ans 1:

Anusha from new gulf indian, kuwait
Class : Class 5

Ans 2:

Arav Aanand from Father Agnel School, Noida
Class : Class 6
What is the number between 11 and 13 = 12 So it is B Others are false: I request you all to check your question and your answer

Ans 3:

Harshita Jain from CCA School, Gurugram
Class : Class 4
but since it was after 11th that is why the answer was c

Ans 4:

Harshita Jain from CCA School, Gurugram
Class : Class 4
sorry a

Ans 5:

Aarnav Grover from Calorx olive international school, Ahmedabad
Class : Class 7
easy B

Ans 6:

Harshita Jain from CCA School, Gurugram
Class : Class 4

Ans 7:

Harshita Jain from CCA School, Gurugram
Class : Class 4
it could be a or c to

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Avantika Raj from Delhi Public School, Bengaluru
Subject :IMO    Class : Class 3

Ans 1:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6

Ans 2:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6

Ans 3:

Medhansh Sachdeva from Deens Academy, Bangalore
Class : Class 4
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Ans 4:

Avantika Raj from Delhi Public School, Bengaluru
Class : Class 7
answer is b

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Rishabh from Baala Balaga,
Subject :IMO    Class : Class 8

Given below are the steps of construction of a quadrilateral PQRS, where PQ = 5.5 cm, QR = 8.5 cm, ∠P = 75°,
∠Q = 105°, ∠R = 120°. Which of the following is a wrong step?
(i) Draw PQ = 5.5 cm.
(ii) Draw ∠XPQ = 75° at P and ∠PQY = 105° at Q.
(iii) With Q as centre and radius QR = 5.5 cm, draw an arc to intersect QY at R.
(iv) At R, draw ∠PSR = 120° such that RT meets PX at S.
PQRS is the required quadrilateral.

A(iii) only
B(ii) & (iv) only
C(iii) & (iv) only
D(iv) only


Confusing question. After step 3 is wrong, step 4 is wrong by definition

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