International Maths Olympiad Forum By SOF Olympiad Trainer

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Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
Given data is a+b=180°,a-b=56° Then , (a+b)+(a-b)=(180°+56°) The answer we get is 2a=236° therefore a=118° Then b=180°-118°=62°

## Ans 2:

Class : Class 7
A=118andB=62

Subject :IMO    Class : Class 5

## Ans 1:

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

Subject :IMO    Class : Class 4

## Ans 1: (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

Subject :IMO    Class : Class 5

## Ans 1:

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

## Ans 2: (Master Answer)

Class : Class 1

The correct answer is A.

India and Bangladesh played 34 matches altogether.

Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is D.

## Ans 2:

Class : Class 4
How

Subject :IMO    Class : Class 1

Class :
South

Class : Class 6

Class : Class 6

Class : Class 6

## Ans 5:

Class : Class 3

Subject :IMO    Class : Class 7

## Ans 1:

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

Subject :IMO    Class : Class 1

## Ans 1: (Master Answer)

Class : Class 1

Here, the answer is C.

11 + 3 = 14, which means 4 in ones place and 1 in tens place as shown in the Abacus C.

Subject :IMO    Class : Class 5

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is D.

First convert the given fractions into like fractions.
L.C.M. of 2, 3, 6 = 6
So, So, ascending order is, Subject :IMO    Class : Class 7

## Ans 1: (Master Answer)

Class : Class 1

Please mention the name of the examination