International Maths Olympiad Forum By SOF Olympiad Trainer - Page 296

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
the answer is obviously D.

Ans 2:

Class : Class 6
the answer is obviously D.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5

Ans 6:

Class : Class 7
how is it admin

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8
the answer is wrong . the answer is c

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 4
THE ANSWER IS (B) AS GIVEN IN THE QUESTION IS 61*82 IS DIVISIBLE BY 11 AS WE KNOW THAT WHEN THE DIFFERENCE BETWEEN THE SUM OF DIGITS IN EVEN AND ODD PLACES IS 0 OR A MULTIPLE OF 11 SO THE MINIMUM VALUE OF * SHOULD BE 1 AS 6 + 1 + 2 = 9 AND 1 + 8 = 9 AND 9 - 9 = 0 HENCE ,IT IS DIVISIBLE BY 11

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 10

Ans 2:

Class : Class 5
so easy

Ans 3:

Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 10

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6
It is A

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 8

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Class : Class 9

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Subject :IMO    Class : Class 6

Study the given statements carefully and select the correct option.
Statement-1 : No symbol in a Roman numeral can be repeated more than 3 times.
Statement-2 : When a Roman Numeral of smaller value is put between two numerals of greater value, then it is subtracted from the numeral on its right.

ABoth Statement-1 and Statement-2 are true.
BBoth Statement-1 and Statement-2 are false.
CStatement-1 is true but Statement-2 is false.
DStatement-1 is false but Statement-2 is true.


Ans 1:

Class : Class 5
But what about IC. You will not get 99 then, so option C is correct. SOF Olympiad Trainer mistake

Ans 2:

Class : Class 7

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