International Maths Olympiad Forum By SOF Olympiad Trainer - Page 339

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(A): P = 6 - 4 = 2
Q = 7 - 5 = 2


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Subject :IMO    Class : Class 7

Which of the following steps is INCORRECT while constructing DABC, if it is given that
AB = 8 cm, ∠CAB = 60° and ∠ABC = 75°
Step 1 : Draw a line AB of length 8 cm.
Step 2 : At A, draw a ray AX making an angle of 60° with AB.
Step 3 : At B, draw a ray BY making an angle of 75° with BA.
Step 4 : The point of intersection of the two rays AB and BY is C.


AStep 1
BStep 2 and Step 3
CStep 4
DStep 1 and Step 3


uu

Ans 1:

Class : Class 7
what is D here?

Ans 2:

Class : Class 7
Steps 1

Ans 3:

Class : Class 7
It should just be abc

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 7
It is not mentioned whether Rs. 132 is the amount or the principal. So we cannot determine the answer.

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

The correct answer is option D. 


Ans 2: (Master Answer)

Class : Class 1

The correct answer is option D. 


Ans 3:

Class : Class 8
IT SHOULD BE OPTION D.

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(C): After replacing the symbols, the given equation becomes,
15 × 3 – 10 ÷ 5 + 5
= 15 × 3 – 2 + 5 = 45 – 2 + 5 = 48


Ans 2:

Class : Class 6
(C): After replacing the symbols, the given equation becomes,15 × 3 – 10 ÷ 5 5= 15 × 3 – 2 5 = 45 – 2 5 = 48

Ans 3:

Class : Class 8
answer is c

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

(A): Total number of books borrowed = 0 x 18 + 1 x 26 + 2 x 84 + 3 x 75 + 4 x 38
= 0 + 26 + 168 + 225 + 152
= 571


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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 4
the correct answer is (A)

Ans 3:

Class : Class 8

Ans 4:

Class : Class 4

Ans 5:

Class : Class 8
the answer is option a

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
I think 5000 0r 3500 or 4000 maybe 5000 as I have 4690 points right now

Ans 2:

Class : Class 7
Master answer answer this question as it may come in IMO

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 4

Ans 2: (Master Answer)

Class : Class 1

(B): First digit = 2 x 2 = 4
Third digit = 8  (8 ÷ 4 = 2)

Fourth digit = 9 
The number from options is 4789


Ans 3:

Class : Class 6

Ans 4:

Class : Class 5
ok

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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

(C):

Therefore, number of sleeping lines = 5


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