International Maths Olympiad Forum By SOF Olympiad Trainer - Page 283

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
You see, that P= 6 because the only number whose ones place is 6' and it is in 6's table it is 6x6=36. And 6x1 is also 6 but then it would not follow the criteria because the number's ones is 3. So it needs to be a carry. Now Q= 2 it is simple. After q we will continue the multiplication, and the answer is 20. The zero is also give so.... Q=2. Now R, so we are at the last place which is adding so 7 5 0= 12 , 1 is the carry now Q(2) 6 3 1(carry ) which is 12. The tens place stays and ones is the carry. So 2 is R. And P Q=8.

Ans 2: (Master Answer)

Class : Class 1

(B): From the given calculation
P = 6; Q = 2; R = 2; P + Q = 8


Ans 3:

Class : Class 8

Ans 4:

Class : Class 8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6

Ans 3:

Class : Class 9
20.56

Ans 4:

Class : Class 8

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
The answer is D not B

Ans 2:

Class : Class 7
simple

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
Don't count straight lines , then its 28

Ans 2:

Class : Class 6
Please mark as 1,2,....28 in the diagram

Ans 3:

Class : Class 4
You all are wrong.Their are 28 slanting lines.Option D is correct

Ans 4: (Master Answer)

Class : Class 1

(D): There are 28 slanting lines.


Ans 5:

Class : Class 5

Ans 6:

Class : Class 7
D

Ans 7:

Class : Class 4

Ans 8:

Class : Class 3
D

Ans 9:

Class : Class 4
there are 30 slanting lines i dont know why they are saying 28

Ans 10:

Class : Class 8
29

Ans 11:

Class : Class 5

Ans 12:

Class : Class 3

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 2
c

Ans 2:

Class : Class 3

Ans 3: (Master Answer)

Class : Class 1

(C): Divya's birthday is on 4th Saturday that is November 27
6 days before November 27 = November 21
So, Richa's birthday is on November 21


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