International Maths Olympiad Forum By SOF Olympiad Trainer - Page 510

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Subject :IMO    Class : Class 9

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Subject :IMO    Class : Class 5
h

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
you people are wrong as 38.5=77/2 and 77=154/2 so the answer should be 154/2 - 77/2 =77/2 so the correct option is cif you don't believe me then explain the answer properlyI trust this site since I was in 4th grade but nowadays I see several errorslike in paper 2017-18 you didn't provide the figureplease improve

Ans 3:

Class : Class 9

Ans 4:

Class : Class 8
You are not answering the error which we give

Ans 5:

Class : Class 9

Ans 6:

Class : Class 8
pls explain answer of this question

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10
THE CORRECT ANSWER IS D GUARANTEED.

Ans 2:

Class : Class 7
how

Ans 3:

Class : Class 7
Edit: Angle AFB isn't 0 degrees either.

Ans 4:

Class : Class 8
it can never A or C that is for sure

Ans 5:

Class : Class 7
exactly

Ans 6:

Class : Class 7
it should be 53

Ans 7:

Class : Class 7
I think there's something wrong here. As the angles formed by the diagonals of a rectangle and the length are equal, angle FAB should be 37 degrees and, as angle FAB isn't 0, the answer is obviously 53 degrees, but it's been set to 37 degrees for reasons beyond my comprehension.

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
So, answer is C

Ans 2:

Class : Class 5
because angle greater than 180 is reflex angle. In question, it is larger angle.

Ans 3:

Class : Class 8

Ans 4:

Class : Class 7
C is the answer to this question

Ans 5:

Class : Class 10

Ans 6:

Class : Class 6

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 10
i am feeling C is also incorrect.

Ans 3:

Class : Class 8
yes c is also incorrect.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
class 5a sanskriti school undri pune advait dangeif we first add fractions

Ans 2:

Class : Class 9

Ans 3:

Class : Class 4
Yes, the options are wrong.

Ans 4:

Class : Class 8
The questions and options are correct if we follow the rule of VBODMAS. the answer is A) 2.833

Ans 5:

Class : Class 7
yaa

Ans 6:

Class : Class 5
Either Ans. is wrong or Que. is wrong

Ans 7:

Class : Class 6
WE just need to know pedmas and convert decimal to fraction and then divide.It is very simple.

Ans 8:

Class : Class 7

Ans 9:

Class : Class 7
Either question is wrong or answer is wrong . Check it .

Ans 10:

Class : Class 7
the correct answer is A

Ans 11:

Class : Class 6

Ans 12:

Class : Class 5

Ans 13:

Class : Class 6
To solve: (2 5/4 - 5 1/6 + 3 1/3) / (0.087 + 0.3717 ÷ 0.9) Step 1: Simplify the Numerator Convert each mixed number to an improper fraction: 2 5/4 = 13/4 5 1/6 = 31/6 3 1/3 = 10/3 Rewrite the expression as: 13/4 - 31/6 + 10/3 Find a common denominator (12) and convert: 13/4 = 39/12 31/6 = 62/12 10/3 = 40/12 Now calculate: 39/12 - 62/12 + 40/12 = 17/12 Step 2: Simplify the Denominator The denominator is: 0.087 + 0.3717 ÷ 0.9 First, perform the division: 0.3717 ÷ 0.9 = 0.413 Then add 0.087: 0.087 + 0.413 = 0.5 Step 3: Divide the Numerator by the Denominator Now we have: (17/12) ÷ 0.5 = (17/12) × 2 = 34/12 = 2.833 Answer: The correct answer is A. 2.833 The questions are a bit tricky, you just need to use your brain and stop blaming SOF.

Ans 14:

Class : Class 5

Ans 15:

Class : Class 7

Ans 16:

Class : Class 5
the answer is actually 1.04266333014

Ans 17:

Class : Class 5
Ans 11, 4, 2 you all are right and ans 1, 12, 13 are useless

Ans 18:

Class : Class 7

Ans 19:

Class : Class 8
either your answer is wrong or question is wrong SOF please check

Ans 20:

Class : Class 5
yep this is wrong i just did A because it was closest to the correct one

Ans 21:

Class : Class 7

Ans 22:

Class : Class 6

Ans 23:

Class : Class 5
ans 14 is maha super useless

Ans 24:

Class : Class 5
Please check SOF

Ans 25:

Class : Class 6

Ans 26:

Class : Class 7
it is correct sof is not wrong

Ans 27:

Class : Class 5

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 7
A is the answer.

Ans 2:

Class : Class 5
A is the answer

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