International Maths Olympiad Forum By SOF Olympiad Trainer - Page 469

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Subject :IMO    Class : Class 5

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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 7

Ans 2:

Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
pls explain answer of this question

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 8

Ans 4:

Class : Class 8

Ans 5:

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

Ans 6:

Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1:

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.

Ans 2:

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

Ans 3:

Class : Class 7
it should be 53

Ans 4:

Class : Class 10
THE CORRECT ANSWER IS D GUARANTEED.

Ans 5:

Class : Class 7
how

Ans 6:

Class : Class 7
exactly

Ans 7:

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

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 5

Ans 1:

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

Ans 2:

Class : Class 8

Ans 3:

Class : Class 5
So, answer is C

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 7
it is correct sof is not wrong

Ans 2:

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

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9

Ans 6:

Class : Class 6

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 5

Ans 9:

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

Ans 10:

Class : Class 5
Please check SOF

Ans 11:

Class : Class 4
Yes, the options are wrong.

Ans 12:

Class : Class 6

Ans 13:

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

Ans 14:

Class : Class 5

Ans 15:

Class : Class 6
yaa

Ans 16:

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

Ans 17:

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

Ans 18:

Class : Class 7

Ans 19:

Class : Class 7
the correct answer is A

Ans 20:

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 21:

Class : Class 5

Ans 22:

Class : Class 5
ans 14 is maha super useless

Ans 23:

Class : Class 6

Ans 24:

Class : Class 5
the answer is actually 1.04266333014

Ans 25:

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

Ans 26:

Class : Class 7

Ans 27:

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

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