International Maths Olympiad Forum By SOF Olympiad Trainer - Page 533

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
I is not require in front of X ,when after X we have IV

Ans 2:

Class : Class 4
C is the correct answer I is not required

Ans 3:

Class : Class 8
C is the correct answer because IXIV is not considered as a roman numeral

Ans 4:

Class : Class 4
IXIV is not a roman numeral

Ans 5:

Class : Class 5
Ya, the correct answer is option C.

Ans 6:

Class : Class 4

Ans 7:

Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
the correct answer is C

Ans 2:

Class : Class 8
In I) 0/1 is 0. So the first statement given in the Question is false.

Ans 3:

Class : Class 1

Ans 4:

Class : Class 4
correct answer is 'c'

Ans 5:

Class : Class 6
Yes, the answer is C. How is it B ???

Ans 6:

Class : Class 10

Ans 7:

Class : Class 8
The answer is BBecause if we take 1 2=3 but 1x2=2 which is less than the product. Statement ll is false.

Ans 8:

Class : Class 8

Ans 9:

Class : Class 8

Ans 10:

Class : Class 8
the answer is b only because the second question is, 'the sum of two numbers is ALWAYS smaller than their product.' this statement is definitely false because if we take example of 2 and 2, their product is equal to their sum and if we take 1 and 1, then its product is smaller than its sum. then according to the statement above, answer should be false which should be answer 'B'

Ans 11:

Class : Class 6
First it says 'A', next it says 'B'. what is the correct answer

Ans 12:

Class : Class 8
ya its B. I thought it was B but then I got confused because it said 2 numbers. and I thought it meant 2 different numbers. but there is nothing like that. it can be the same number also.

Ans 13:

Class : Class 7
Option (B) is correctAs it is telling that sum of 2 whole numbers is ALWAYS less than the product but if we see 2 2=4 and 2x2=4 the both the answers are equal

Ans 14:

Class : Class 6
The answer is C.Even if the answer is B then how???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 15:

Class : Class 6

Ans 16:

Class : Class 8
Ya. ONLY B is correct. Bcz 2 x 2 = 4 and 2 2 = 4. Product is equal. And 1 x 1 = 1 and 1 1 = 2. Product is smaller. 2 x 1 = 2 and 2 1 = 3. Product is smaller. As they have given "2 WHOLE numbers" so the same whole number can be used both times. They didn't tell that there is no repetition. So ONLY B IS CORRECT!

Ans 17:

Class : Class 7
1st statement is wrong ,If we say that dividend is 0 and divisor is 5 it will be written as 0÷5=0 as 5×0=0 SO D IS CORRECT

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 1

Ans 2:

Class : Class 7
e

Ans 3:

Class : Class 7

Ans 4:

Class : Class 4
jkkkgjhh

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
Perimeter is the length of the boundary. The number of lines that are in outer part of the figure are 14. So, 216/14=9. So, ans is B

Ans 2:

Class : Class 4
Option B

Ans 3:

Class : Class 5
The correct answer is B.

Ans 4:

Class : Class 5

Ans 5:

Class : Class 7
The correct answer is 9 cm which is B

Ans 6:

Class : Class 7
Not 216 it's 126 AREEN and answer is 9 cm

Ans 7:

Class : Class 6
This is simple Math so,first count the boundry and I got 14now we divide: 126/14 = 9cmAnswer is = B nothing but 9cm

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 10

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9

Ans 4:

Class : Class 10
The question is wrong as it asks which is not while1/4 is 4/16 and it is between. The question must be corrected to, 'The rational number which is lying between 5/16 and 1/2 is ________.'

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
It can have at least 1 right angle in case of right angled triangle.

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Subject :IMO    Class : Class 2

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