International Maths Olympiad Forum By SOF Olympiad Trainer - Page 53

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
*OPTION B*

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9
** The answer is B **

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
*OPTION B*

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 3
c

Ans 2:

Class : Class 4
a

Ans 3:

Class : Class 4
aa is the answer

Ans 4:

Class : Class 4

Ans 5:

Class : Class 4
Answer is A

Ans 6:

Class : Class 9
c

Ans 7:

Class : Class 5

Ans 8:

Class : Class 4
D

Ans 9:

Class : Class 8
Ans should be D as the 3rd digit is 1 which is the smallest digit odd number.

Ans 10:

Class : Class 4

Ans 11:

Class : Class 4

Ans 12:

Class : Class 5
a

Ans 13:

Class : Class 4
c

Ans 14:

Class : Class 4

Ans 15:

Class : Class 7
A is the answer because if you interchange the 2nd and the 3rd digit, you will get the correct answer, but you also need to interchange option D.

Ans 16:

Class : Class 5
A

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
C

Ans 2:

Class : Class 9
C

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
B

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 4
d is also correct

Ans 5:

Class : Class 4
i am wrong

Ans 6:

Class : Class 10

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
ANSWER IS D

Ans 2:

Class : Class 9
D

Ans 3:

Class : Class 6
Answer is D Total length of lace = 48 cm = Perimeter of rectangle 48 = 2 ( l b ) l b = 24cm Cost per cm = Rs. 15 Cost of 48 cm = 48 x 15 = Rs.720 When l = 16 cm and b = 8 cm P = 2 ( 8 16 ) = 2 (24) = 48 cm

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
spit

Ans 2:

Class : Class 9
Correct ans is B

Ans 3:

Class : Class 9
B is the correct answer as 80*4=20

Ans 4:

Class : Class 8
Correct Answer is (B)

Ans 5:

Class : Class 5
B is correct

Ans 6:

Class : Class 4

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