# User Forum

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 6

Subject :IMO    Class : Class 4

Subject :IMO    Class : Class 4

Class : Class 1

(C): Factors of 18 = Factors of 27 = So, 6 is not a common factor of 18 and 27.

Class : Class 1

(C): Factors of 18 = Factors of 27 = So, 6 is not a common factor of 18 and 27.

Subject :IMO    Class : Class 3

Class : Class 1

(C): Number of marbles in each group = 10
Total number of groups altogether had = 6 + 5 + 9 = 20
Total number of marbles = 20 x 10 + 4 = 204

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 5

Subject :IMO    Class : Class 6

Class : Class 1

(B)

The least number of squares that must be added in the fiigure so that the line MN becomes a line of symmetry = 6

Subject :IMO    Class : Class 6

## Ans 1:

Class : Class 6

Subject :IMO    Class : Class 1

Class : Class 1

(B): Each girl will get 3 stamps .

Therefore, 3 girls will get 3+3+3=9 stamps.

Subject :IMO    Class : Class 6

Class : Class 1

Option (A) is correct.