International Maths Olympiad Forum By SOF Olympiad Trainer

Parveen Kumar from Dav public school , Bokaro

Subject :IMO Class : Class 10

A building plan shows an office block for six officers A, B, C, D, E and F. Both B and C occupy offices to the right of the corridor (as one enters the office block) and A occupies an office to the left of the corridor. E and F occupy offices on opposite sides of the corridor but their offices do not face each other. The offices of C and D face each other. E does not have a corner office. F's office is further down the corridor than A's, but on the same side.

If E sits in his office and faces the corridor, whose office is to his left ?

(A) A

(B) B

(C) C

(D) D

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is C.

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Parveen Kumar from Dav public school , Bokaro

Subject :IMO Class : Class 10

A matrix of certain characters is given. These characters follow a certain trend row wise or column wise. Find the missing number.

(A) 13

(B) 15

(C) 16

(D) 9

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is C.

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Parveen Kumar from Dav public school , Bokaro

Subject :IMO Class : Class 10

There are seven figures, the first and last of which are unnumbered and the remaining are numbered as 1, 2, 3, 4 and 5. These seven figures form a series. However, one of the five numbered figures does not fit into the series. Choose the correct option.

(A) 1

(B) 2

(C) 3

(D) 4

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is A.

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Parveen Kumar from Dav public school , Bokaro

Subject :IMO Class : Class 10

In the given question, there is a set of five figures labelled P, Q, R, S and T called the Problem Set. Select a suitable figure from the options which will substitute this question mark so that a series is formed by the figures P, Q, R, S and T taken in order.

(A)

(B)

(C)

(D)

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is D.

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Parveen Kumar from Dav public school , Bokaro

Subject :IMO Class : Class 10

Find the missing number amongst the options at the place of sign of interrogation(?).

(A) 20

(B) 23

(C) 25

(D) 28

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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Rachita from Tapasya Public School, Arvi

Subject :IMO Class : Class 5

Jolly has the numbers '1', '6', '4' and '8'. How many different 2digit numbers can she make ?

(A) 16

(B) 12

(C) 18

(D) 20
1,6,4,816141861646841461144486681868488

Ans 1:

SANATAN KUMAR GUPTA from kv school, Surat

Class : Class 3

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Rachita from Tapasya Public School, Arvi

Subject :IMO Class : Class 5

Find the missing number.

6, 30, 150, ?

(A) 750

(B) 450

(C) 300

(D) 200
6,30,150..............=6*5=30,30*5=150 then, 150*5=750

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is A.

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Rachita from Tapasya Public School, Arvi

Subject :IMO Class : Class 5

When I am multiplied by 5 and then added to 20.9, I become 132.4. Which number am I ?

(A) 766.5

(B) 22.3

(C) 153.3

(D) 111.5
132.4-20.9/5=22.3

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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adwaita from DPS NOIDA, Noida

Subject :IMO Class : Class 4

Akshat was facing the mall in the beginning. He took 3/4 turn anticlockwise and then 1/2 turn clockwise. What is he facing now?

(A) Park

(B) Police post

(C) School

(D) Community centre

Ans 1:

Aditya from Little Angels School, Visakhapatnam

Class : Class 5

Ans 2:

Shivam Dave from Jamnabai Narsee School, Gandhinagar

Class : Class 6

The answer may be park as - You're asked Akshat is facing the mall Now he took a 3/4 turn anti-clockwise, so he is facing the Police Post Now he takes a 1/2 turn clockwise, so now he is facing the park Therefore the answer is 'A Park'

Ans 3:

harshita sahu from DPS , JABALPUR

Class : Class 4

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Tanishi from Ryan International School, Gurgaon

Subject :IMO Class : Class 5

Mr. Priyansh wants to select a suitable floor tile to cover the floor in his living room. Which of the tiles below can he use if he does not want any gap between the tiles ?

(A) 1, 2 and 3

(B) 1 and 3

(C) 2, 3 and 4

(D) 1, 2, 3 and 4
Please provide detail solution.

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Ans 1:

Jhumur Acharya from ,

Class : Class 5

I think the answer is D

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