International Maths Olympiad Forum By SOF Olympiad Trainer

Ayansh Modi from Air Force Bal Bharti, Delhi

Subject :IMO Class : Class 5

Match the figures (not drawn to scale) given in column-I with their shaded areas given in column-II.

	Column-I	Column-II
P.		1. 192 cm²
Q.		2. 196 cm²
R.		3. 208 cm²
S.		4. 179 cm²

AP → 4, Q → 2, R → 1, S → 3
BP → 4, Q → 1, R → 2, S → 3
CP → 3, Q → 4, R → 1, S → 2
DP → 3, Q → 2, R → 4, S → 1

very easy

Ans 1:

A C Agaran from Kohana International School, Tokyo

Class : Class 5

The answer is B

Ans 2:

A C Agaran from Kohana International School, Tokyo

Class : Class 5

The answer is B

Ans 3:

Shreyansh Gupta from MVN, faridabad

Class : Class 6

oh yes yes the ans is b

Ans 4:

Shreyansh Gupta from MVN, faridabad

Class : Class 6

so conf using

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Aaditya Agrawal from Shakara Vidya Mandir, Chikhali

Subject :IMO Class : Class 3

if pencil means eraser; eraser; mean sharpener; shapner; mean pen then which is used to erase the pencil a] pencil b]eraser; c]sharpener d]pen

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Akshaj Gupta from Neerja Modi School, Jaipur

Subject :IMO Class : Class 5

A publisher printed 3000 books. 54 books were found defective and the rest were sold at ₹ 68920. Find the price of single book.

A₹ 20.20
B₹ 23.39
C₹ 25.39
D₹ 27.39

Ans 1:

Pranay Agarwal from Sanjivani International School, Mumbai

Class : Class 5

Answer is B

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shon from st joseph bHS, Bangalore

Subject :IMO Class : Class 8

The ages (in years) of 10 children in a colony are as follows: 8, 3, 7, 12, 8, 7, 6 5, 1 and 11.
Find their mean age (in years).

A6.5
B6.8
C6.7
D8.6

b

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Deepon Palit from Barisha High School, Kolkata

Subject :IMO Class : Class 8

The interior angle of a regular polygon is double the exterior angle. The number of sides of the polygon are

A3
B4
C5
D6

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Mrigakhi Serohi from Birla Divya Jyoti, Siliguri

Subject :IMO Class : Class 7

In a certain code language “BIRTHDAY” is written as “XENHTZWU. How is “PLEASURE” written in that code language?

AQMFBTVSE
BTPIEWYVI
CSOHDVXUH
DLHASAQNA

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Adway Bachchan from Indian School Sohar, Sohar

Subject :IMO Class : Class 8

Which of the following statements is true about the construction of a quadrilateral where AB = 3 cm, BC= 5 cm, AC = 9 cm, AD = 6 cm, CD = 2 cm?

A It is possible to draw the quadrilateral.
B It is not possible to draw the quadrilateral, since AD + DC < AC.
C It is possible to draw the quadrilateral, since AD+ DC < AC
D None of these

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Ans 1:

Vihaan Nair from Ambassador School, DUBAI

Class : Class 8

? What is triangle in equality

Ans 2:

Joshua Sen from Montfort Senior Secondary School, Roorkee

Class : Class 9

options b and c are same

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MEGHNA SARKAR from Delhi Public School'Rubypark,Kolkata, Kolkata

Subject :IMO Class : Class 7

Amit divided a number by 16, 18, 20 and 25 and get 4 as remainder in each case, but when divided by 7, get no remainder. What was the least number he took?

A17004
B18000
C18002
D18004

please provide the solution