International Maths Olympiad Forum By SOF Olympiad Trainer

SOUVAGYA SAHA from De Nobili School, DHANBAD

Subject :IMO Class : Class 7

The speed of light is 3 × 10⁸ m/sec. If the Sun is 1.5 × 10¹¹ m away from the Earth, then how many seconds does light take to reach the Earth?

A3.0 × 10³
B5.0 × 10²
C5.0 × 10³
D3.0 × 10²

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Ayush Pramanik from International School of Port of Spain , Port of Spain

Subject :IMO Class : Class 6

In the number line shown below, UV = VW = wx. Find the value of V, W and V + W respectively.

A3.7, 3.9, 7.6
B3.7, 3.8, 7.5
C3.6, 3.7, 7.3
D3.6, 3.8, 7.4

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Pragnay Priyadarshi from Quantum Leap School, HYDERABAD

Subject :IMO Class : Class 5

On Tamanna's birthday, her mother gave three-tenth of the cake to each of her 2 neighbours and one-tenth of the cake to each of her 2 friends. What fraction of the cake is left with her?

A
B
C
D

Ans 1:

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD

Class : Class 7

Ans 2:

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD

Class : Class 7

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Sourish Mahakul from Delhi Public School Electronic City, Bengaluru

Subject :IMO Class : Class 6

The usual price of a bottle of vitamin tablets is Rs 25. Mrs Charu wants to buy 3 bottles. She is given a discount of Rs n for each bottle. How much does she have to pay altogether ?

ARs (25 - 3n)
BRs (75 - 3n)
CRs (75 - n)
DRs (75 + 3n)

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Ans 1:

Sammit from VSA, Bangalore

Class : Class 7

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Saanvi Prasad from DPS Noida, Noida

Subject :IMO Class : Class 6

The position of how many letters in the word EXPLOSION will remain unchanged, when the letters of the word are arranged alphabetically?

ANone
BOne
CTwo
DMore than two

c

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Saanvi Prasad from DPS Noida, Noida

Subject :IMO Class : Class 6

Umang walks 20 m towards South. Then he turned left and walks 30 m. Again, he turned left and walks 20 m. Then he turned right and walks 15 m. How far is he now from his initial position?

A30 m
B50 m
C35 m
D45 m

d

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Saanvi Prasad from DPS Noida, Noida

Subject :IMO Class : Class 6

Which of the following sets of letters will continue the given letter series?
ARC, BSD, DUF, GXI, __?__

AKBM
BHBM
CJAM
DKAN

a

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Ans 1:

Shreeya Mangla from ASN Senior Secondary School, New Delhi

Class : Class 9

Ans 2:

Saikrishna Nandakumar from Shishya BEML Public School, BANGALORE

Class : Class 6

ur dumb.

Ans 3:

Abhishek Mishra from st michael High School, patna

Class : Class 8

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Bhavya prasad from Indian School Al Wadi Al Kabir, Muscat

Subject :IMO Class : Class 8

Which of the following options holds?
Statement - 1 :Rational numbers are closed under division.
Statement - 2 :The value of

A Both Statement - 1 and Statement - 2 are true.
B Statement - 1 is true and Statement - 2 is false.
C Statement - 1 is false but Statement - 2 is true.
D Both Statement - 1 and Statement - 2 are false.