International Maths Olympiad Forum By SOF Olympiad Trainer

Divyansh Giri from MPVM Ganga Gurukulam, Prayagraj

Subject :IMO Class : Class 6

Match the following.

A(i) → (r), (ii) → (s), (iii) → (q), (iv) → (p)
B(i) → (p), (ii) → (q), (iii) → (r), (iv) → (s)
C(i) → (s), (ii) → (p), (iii) → (q), (iv) → (r)
D(i) → (r), (ii) → (p), (iii) → (q), (iv) → (s)

Solution(i) - 26 39 - 49 - 60 = - 96. Additive inverse is 96.(ii) 2000 516 - 517 - 1999 = 0. Predecessor is - 1.(iii) 89 units to right of - 7 is - 7 89 = 82.(iv) - 89 x = - 85 => x = 4 = -(-4)

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Divyansh Giri from MPVM Ganga Gurukulam, Prayagraj

Class : Class 9

Ans 2:

Divyansh Giri from MPVM Ganga Gurukulam, Prayagraj

Class : Class 9

Solution(i) - 26 39 - 49 - 60 = - 96. Additive inverse is 96.(ii) 2000 516 - 517 - 1999 = 0. Predecessor is - 1.(iii) 89 units to right of - 7 is - 7 89 = 82.(iv) - 89 x = - 85 => x = 4 = -(-4)

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Ishan Tripathi from Podar International School , Pune

Subject :IMO Class : Class 3

Neetu left Town A for Town B at 10:35 a.m. She arrived in Town B at 3:50 p.m. How long was her journey?

A4 hours 35 minutes
B5 hours 35 minutes
C4 hours 15 minutes
D5 hours 15 minutes

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Vivaan Sharma from DPS Pal Road Jodhpur, JODHPUR

Class : Class 4

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Dishamrutha from indian school of excellence, bangalore

Subject :IMO Class : Class 6

Arrange the following steps of construction of an angle 120° in a correct order.
Steps of construction:
(1) Draw a ray PQ.
(2) With B as a centre, again draw an arc to intersect the first arc at C.
(3) With P as a centre and a convenient radius, draw an arc to intersect at A.
(4) Join CP to get the required angle. ∠CPQ measures 120°.
(5) With A as a centre, draw an arc with the same radius to intersect the previous arc at B.

A(1)-(4)-(2)-(3)-(5)
B(1)-(3)-(5)-(2)-(4)
C(1)-(2)-(3)-(5)-(4)
D(1)-(3)-(2)-(5)-(4)

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Adhrit D adhikary from PM SHRI Kendriya Vidyalaya New Bongaigaon, New Bongaigaon

Class : Class 6

plase explain

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Aniket kumar from kendriya vidyalaya, Delhi

Subject :IMO Class : Class 7

The value of is equal to

A0
B
C
D1

CVCC Bibb book

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Samarth from Central school , Chennai

Class : Class 7

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Tanush Donthineni from New Horizon Gurukul, Bangalore

Subject :IMO Class : Class 5

Read the statements carefully and select the correct option.
Statement-I : If carpet is laid on the floor of a room 10 m by 6 m, leaving a border 1 m wide all around it, then the perimeter of the carpet is 24 m.
Statement-II : The perimeter of a rectangle is 12 cm. If the measure of length is cm more than its breadth, then the breadth of the rectangle is 2.25 cm.

ABoth Statement-I and Statement-II are true.
BStatement-I is true but Statement-II is false.
CStatement-I is false but Statement-II is true.
DBoth Statement-I and Statement-II are false.

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KUSHAGRA BANSAL from ST PAULS SCHOOL , Udaipur

Class : Class 6

please explain

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Dishamrutha from indian school of excellence, bangalore

Subject :IMO Class : Class 6

Fill in the blanks.
(i) When two negative integers are added, we get a__(P)__ integer.
(ii) The number of integers between –16 and –2 is __(Q)__.
(iii) When two __(R)__ integers are added, we get a positive integer.

A
B
C
D

ANSWER SHOULD BE C. BUT, IN SOLUTION, ANSWER FOR Q IS 14. IT IS 13 AS PER SEEN IN NUMBERLINE.

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Dishamrutha from indian school of excellence, bangalore

Subject :IMO Class : Class 6

The weight of a 13 m long iron rod is 23.4 kg. The weight of 6 m long rod cut from it, will be ______.

A7.2 kg
B12.4 kg
C10.8 kg
D18 kg

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Hima Devireddy from Phoenix , Hyderabad

Subject :IMO Class : Class 5

A machine can make 1 paper cup in 2 minutes. If the machine is made to work for 3 hours a day, then how many paper cups will it make in a week?

A126
B180
C630
D1200