International Maths Olympiad Forum By SOF Olympiad Trainer - Page 421

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 10
why not iv?

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
please explain your answer

Ans 4:

Class : Class 6

Ans 5:

Class : Class 6
I, II, III, V, VI, VII, VIII, X. They all are symmetrical.

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Subject :IMO    Class : Class 7

Which of the following steps is INCORRECT, while constructing LMN, right angled at M, given that LN = 5 cm and MN = 3 cm?
Step 1.MN of length 3 cm.
Step 2.M, draw MX MN. (L should be some where on this perpendicular).
Step 3.N as centre, draw an arc of radius 5 cm. (L must be on this arc, since it is at a distance of 5 cm from N).
Step 4.L has to be on the perpendicular line MX as well as on the arc drawn with centre N. Therefore , L is the meeting point of these two and LMN is obtained.

A Only Step 4
B Both Step 2 and Step 3
C Only Step 2
D None of these


The answer should be a as he has not mentioned that LM is drawn.Step 4 should also contain that

Ans 1:

Class : Class 8
could you answer/ explain this??????

Ans 2:

Class : Class 9

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
ok

Ans 4:

Class : Class 6

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 6
Sorry friends.

Ans 2:

Class : Class 6
what is 90-50=?

Ans 3:

Class : Class 6
bye>stamp.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
51

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 3
The answer is (B)

Ans 2:

Class : Class 4

Ans 3:

Class : Class 2
it is option A or B

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
Well, for solving this question, you need to have knowledge of solving quadratic equation. I mean it can be solved by factoring and evaluating, but you must have the idea of solving the question, or basically, how to solve such questions

Ans 3:

Class : Class 8
Can someone please explain

Ans 4:

Class : Class 8
Someone please explain this and tell me the answer

Ans 5:

Class : Class 9
C

Ans 6:

Class : Class 9
Answers is 24 and not in option

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
right answer is P,196 m

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

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