International Maths Olympiad Forum By SOF Olympiad Trainer - Page 647

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
So they said what is the predecessor of the SUCCESOR of MDVI (which is 1506) so its a trick question and the awnser is the same

Ans 5: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 6:

Class : Class 6

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2:

Class : Class 4
Answer is b.Please give explanation.

Ans 3:

Class : Class 8
see the carefully the Question

Ans 4:

Class : Class 5
can any body explain this question?

Ans 5:

Class : Class 4
OMG

Ans 6:

Class : Class 6
Find the tree which is South-east of mango tree

Ans 7:

Class : Class 4
I think it’s B

Ans 8:

Class : Class 4
i dont know how to do /

Ans 9:

Class : Class 5
please help

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Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 10

Ans 1:

Class : Class 10
The answer is option c

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Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
D is answer

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9
all answers are correct, this question is wrong

Ans 4:

Class : Class 8
i agree, A is correct, there is no incorrect answer, as a rectangle is a special trapezium

Ans 5:

Class : Class 8

Ans 6:

Class : Class 10
The answer is D as Rectangle is also a special type of trapezium so it is correct . Also, the option B is correct. Option C is correct too as interior angle sum of triangle is 180 and the exterior angle sum is double i.e. 360The correct answer would be option D as isosceles trapezium also has its diagonals equal therefore it is the incorrect statement required. Therefore, the answer should be D instead of C

Ans 7:

Class : Class 9
Since the options seem incorrect, kindly report an error for this question. Hopefully this gets reviewed.

Ans 8:

Class : Class 8

Ans 9:

Class : Class 9
A is correct. By definition, a trapezium has ONLY ONE pair of parallel sides. A rectangle has 2 pairs of parallel sides, hence it is not a trapezium.

Ans 10:

Class : Class 10
Both a and d options are correct, its marker wrong. Rectangle is a special trapezium and square also has all sides equal

Ans 11:

Class : Class 8
all options are correct(A) a rectangle follows all the characteristics of a trapizium. It has one pair of parllel sides. it has four sides and sum of all the angles is 360(b) it can be drawn like one angle is 90 and four sides are 40,40,50,50 than it is a rectangle which is quadrilateral(c)It is a law that sum of ext. angles in every polygon is 360 and sum of int. angles in a triangle is 180 which is half of 360(d) all the quadrilaterals that have equal diagonals follow all the rules of a rectangle like square which has two set of equal and parllel sides and its diagonals are equal. A square also has all right angles.

Ans 12:

Class : Class 7
Answer should be D diagonals are equal in square as well So if diagonals are equal it need not be a rectangle

Ans 13:

Class : Class 9
all options can be correct but if we see logically, option (D) states that "if the diagonals of a quadrilateral are equal it must be a rectangle" whereas the diagonals of a kite can also be equal.

Ans 14:

Class : Class 10
rectangle is also a trapezium because atleast one pair of sides parallel……..

Ans 15:

Class : Class 9

Ans 16:

Class : Class 9

Ans 17:

Class : Class 7

Ans 18:

Class : Class 8
A rectangle is a type of trapezium only and anyway the diagonals of a square is also equal

Ans 19:

Class : Class 9
everyone to kindly check my panswer post it will most probably help u resolve what is the answer and please if there is any incorrect answer in my provided answer, please tell that thing.

Ans 20:

Class : Class 9
Trapezium is a quadrilateral with two parallel sides. Parallelogram is a special case of trapezium and rectangle is a special case of parallelogram, hence rectangle is a special case of trapezium

Ans 21:

Class : Class 9
Wrong Question guys both a and d look incorrect as rectangle is not a trapezium and even square's diagonals are equal.

Ans 22:

Class : Class 8
This question is unclear if synopsis does not define it

Ans 23:

Class : Class 9
wrong answer.it should be d

Ans 24:

Class : Class 8
all options are true, i think option(c) should be "Triangle is a polygon whose exterior angle is double its interior angle". This way option(c) will be INCORRECT

Ans 25:

Class : Class 10
Wrong question guys !

Ans 26:

Class : Class 10
The answer is D

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 3:

Class : Class 4

Ans 4:

Class : Class 4

Ans 5:

Class : Class 8
If you all agree the answer is C You all will get from me a tasty little sherbet candy

Ans 6:

Class : Class 9
I agree that the answer is C …………….. Now give me the "Sherbet Candy" Ashmi. Ha Ha Ha !!!

Ans 7:

Class : Class 2
Yap, the right answer is C

Ans 8:

Class : Class 4
Can you please explain how the answer is "c" .

Ans 9:

Class : Class 4

Ans 10:

Class : Class 6
yes i agree the anwer is c

Ans 11:

Class : Class 4
Master Question

Ans 12:

Class : Class 4
The correct answer is c

Ans 13:

Class : Class 1

Ans 14:

Class : Class 6
Give me the sherbet candy I will give you a kindness badge I am in England

Ans 15:

Class : Class 4
Anshuman malhotra from mumbai , i got it correct

Ans 16:

Class : Class 7
How the answer is C

Ans 17:

Class : Class 7
I Did not at all understand!!!!!!!

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Subject :IMO    Class : Class 3

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