International Maths Olympiad Forum By SOF Olympiad Trainer - Page 505

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
how

Ans 2:

Class : Class 10
THE CORRECT ANSWER IS D GUARANTEED.

Ans 3:

Class : Class 7
exactly

Ans 4:

Class : Class 7
it should be 53

Ans 5:

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 6:

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

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 8

Ans 2:

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

Ans 3:

Class : Class 7
C is the answer to this question

Ans 4:

Class : Class 5
So, answer is C

Ans 5:

Class : Class 10

Ans 6:

Class : Class 6

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 8
yes c is also incorrect.

Ans 3:

Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

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

Ans 3:

Class : Class 5
Please check SOF

Ans 4:

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

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
it is correct sof is not wrong

Ans 7:

Class : Class 5

Ans 8:

Class : Class 7
yaa

Ans 9:

Class : Class 7

Ans 10:

Class : Class 7

Ans 11:

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

Ans 12:

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 13:

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

Ans 14:

Class : Class 7

Ans 15:

Class : Class 6

Ans 16:

Class : Class 5
the answer is actually 1.04266333014

Ans 17:

Class : Class 4
Yes, the options are wrong.

Ans 18:

Class : Class 5

Ans 19:

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

Ans 20:

Class : Class 7
the correct answer is A

Ans 21:

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

Ans 22:

Class : Class 6

Ans 23:

Class : Class 5

Ans 24:

Class : Class 9

Ans 25:

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

Ans 26:

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

Ans 27:

Class : Class 5
ans 14 is maha super useless

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
A is the answer

Ans 2:

Class : Class 7
A is the answer.

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
Is,It,not,100?

Ans 3:

Class : Class 7
wrong answer

Ans 4:

Class : Class 9
guys arrange in array form for median

Ans 5:

Class : Class 5
hi guys! it is saying that the answer is D, 99. How's that possible? could someone explain?

Ans 6:

Class : Class 7
Answer is wrong

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Subject :IMO    Class : Class 9

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