International Maths Olympiad Forum By SOF Olympiad Trainer - Page 219

# User Forum Subject :IMO    Class : Class 2

## Ans 1: (Master Answer)

Class : Class 1

(B): Time half an hour after 1:45 pm = 2:15 pm
2:15 is shown in clock  given in option B.

Subject :IMO    Class : Class 7

## Ans 1: (Master Answer)

Class : Class 1

(B)

Order of rotational symmetry = 6

## Ans 2:

Class : Class 7
How do we know if the hexagon is regular or not? It never mentions anything about that you really should make the questions less ambiguous

Class : Class 8

## Ans 4:

Class : Class 8
yes and in the figure too it seems like sides are not equal

Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1

(A): Amount of money Bhavya saves in one month = ₹ (2550 - 1875) = ₹ 675
∴ Her savings in one year
= ₹ (12 × 675) = ₹ 8100
Her savings in 3 years = 3 × 8100
= ₹ 24300

## Ans 2:

Class : Class 4
A): Amount of money Bhavya saves in one month = â¹ (2550 - 1875) = â¹ 675â´ Her savings in one year= â¹ (12 Ã 675) = â¹ 8100Her savings in 3 years = 3 Ã 8100= â¹ 24300

Subject :IMO    Class : Class 8

## Ans 1:

Class : Class 1
son

Subject :IMO    Class : Class 6

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is option A.

## Ans 2:

Class : Class 6
how did you do thisplease explain this to me

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 6
Ans is C means Only K

## Ans 2:

Class : Class 5
A both L And N

Subject :IMO    Class : Class 5

Class : Class 5

Class : Class 6

## Ans 3:

Class : Class 5

Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1

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

## Ans 2:

Class : Class 5
man see 3 is a factor of 18 but 27 table does not have 3 as thier factor because 3 multiplied by six is eighteen but 27 does not have a factor so 6 is not a common factor of 27

## Ans 3: (Master Answer)

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

## Ans 1: (Master Answer)

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