International Maths Olympiad Forum By SOF Olympiad Trainer - Page 528

# User Forum

Subject :IMO    Class : Class 7

Class : Class 1

The answer is C.

## Ans 2:

Class : Class 8
this question should be reformed. the saying vulgar fraction giving answer decimal fraction.

Class : Class 10
Answer is D

## Post Your Answer

Subject :IMO    Class : Class 5

Class : Class 8

Class : Class 4

## Ans 3: (Master Answer)

Class : Class 1

The correct answer should be True, True, False.

We will rectify the correction in the next edition.

Class : Class 8

Class : Class 7

## Post Your Answer

Subject :IMO    Class : Class 3

Class : Class 5

## Ans 2:

Class : Class 7
Wrong question seems on both the sides .

## Ans 3:

Class : Class 6
wrong question with symbol. So we get extra 1 point.

## Ans 4:

Class : Class 6
it was sign....pls mark the sign properly... the division sign looks like sign

## Ans 5:

Class : Class 7
The division sign is looking same as addition sign

## Ans 6:

Class : Class 4
yes the division sign looks like the addition sign, that is why I got it wrong

## Ans 7:

Class : Class 8
it is looking like addition problem and sign

## Ans 8:

Class : Class 5
Yes that is their issue they have written division sign as addition sign.

## Ans 9: (Master Answer)

Class : Class 1

The correct answer is C.

952 ÷ 8 = x ÷ 3

119  = x ÷ 3

Therefore, x = 119 X 3 = 357

Class : Class 8
answer is c

## Ans 11:

Class : Class 6
error from sof site side they made division look like addition and multiplication also like addition that is why i got it wrong but the correct answer is 357 option c

## Ans 12:

Class : Class 4
Yes, my also was wrong because it was plus sign on both sides. its not looking like division sign at all. i zoomed it and check

## Post Your Answer

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 8
Given data is a+b=180Â°,a-b=56Â° Then , (a+b)+(a-b)=(180Â°+56Â°) The answer we get is 2a=236Â° therefore a=118Â° Then b=180Â°-118Â°=62Â°

Class : Class 7
A=118andB=62

## Post Your Answer

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 7
1. Hexagon 2. Pentagon 3. Heptagon 4. Octagon 5. Nonagon 6. Decagon

## Post Your Answer

Subject :IMO    Class : Class 4

Class : Class 8
OK SIR THANKYOU

## Ans 2: (Master Answer)

Class : Class 1

The correct answer is B.

720 X 83 =  59760

59760 - 825 = 58935

If we round off 58935 to the nearest hundred then we will get 58900

## Post Your Answer

Subject :IMO    Class : Class 5

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is A.

India and Bangladesh played 34 matches altogether.

Class : Class 6
(MASTER ANSWER)

Class : Class 6
26easy

## Ans 4:

Class : Class 6
(A) 34 India played 26 matches. Bangladesh played 8 matches. Total played=26+8 =34 matches

## Post Your Answer

Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is D.

Class : Class 8
C

Class : Class 7

Class : Class 4
How

Class : Class 4
D

## Post Your Answer

Subject :IMO    Class : Class 1

Class : Class 9

## Ans 2:

Class : Class 3
need to draw clearly otherwise we will end up getting wrong answer

Class : Class 9

Class :
South

Class : Class 9

Class : Class 7

Class : Class 7

## Ans 8:

Class : Class 9
it should be north because working it out clearly shows it

Class : Class 9

Class : Class 8

## Post Your Answer

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
Let the angle be x It's supplement=(180-x)Â° A/q (x+30)Â°=2Ã—(180-x)Â° x+30Â°=360Â°-2x x+2x=(360-30)Â° 3x=330Â° x=330Â°Ã·3 x=110Â° The angle=x=330Â°