International Maths Olympiad Forum By SOF Olympiad Trainer - Page 658

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
we can get a multiple smaller than the number by multiplying it by a fraction

Ans 2:

Class : Class 4
YES THIS IS TOTTTALLLLYYYY WRONG

Ans 3:

Class : Class 8
I didn't understand the answer

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
ANSWER IS B. When we talk of factors n multiples we usually do not talk about negative numbers

Ans 6:

Class : Class 6

Ans 7:

Class : Class 9
it is not wrong because multiplying by a negative number gives us the result as a number smaller than the original number for example -2*2=-4

Ans 8:

Class : Class 7
Answer is B

Ans 9:

Class : Class 7
Correct answer should be B.

Ans 10:

Class : Class 7
The answer is A part as multiplying a number with a negative number gives a number smaller than the number we took to multiply

Ans 11:

Class : Class 3

Ans 12:

Class : Class 2

Ans 13:

Class : Class 4
Multiplying by does not mean it is a multiple in inv

Ans 14:

Class : Class 7
it should be B as multiplying the numbers gives us greater numbers. Guys mine is also the same

Ans 15:

Class : Class 5
it is not wrong because negative numbers' multiples are always lesser than themselves eg. -3x3=-9

Ans 16:

Class : Class 4
It cannot happen, the multiple of a number is always bigger or equal of the number. It's never smaller. Hence, the correct should be (B)

Ans 17:

Class : Class 5
I do not know

Ans 18:

Class : Class 4
Fully wrong

Ans 19:

Class : Class 9
MULTIPLES ARE NOT LESS THAN THE NUMBER,THE ANSWER IS GIVEN WRONG

Ans 20:

Class : Class 7
The correct answer is A part

Ans 21:

Class : Class 4

Ans 22:

Class : Class 7

Ans 23:

Class : Class 6

Ans 24:

Class : Class 5
Verrrrrrrrrrrrry confusing and tricky

Ans 25:

Class : Class 7
Negative numbers aren't included in Class 4 syllabus although your answer is correct.

Ans 26:

Class : Class 6
Multiples are supposed to be equal to or greater than the number. Multiplying by fractions does not mean that it is a multiple...

Ans 27:

Class : Class 7
We can't talk about syllabus over here but it's wrong only Saathvik and Shaurya I think you did not read that multiples are equal to or greater than the number itself. And FACTOR are smaller than or equal to the number.

Ans 28:

Class : Class 5
Yes yes. Negative numbers are not in the syllabus of fourth graders.

Ans 29:

Class : Class 8
The correct answer should be option B.A multiple can never be smaller than the number

Ans 30:

Class : Class 6

Ans 31:

Class : Class 6

Ans 32:

Class : Class 7
Answer should be B. Only negative numbers when multiplied by a positive number is a smaller number. Negative numbers are out of syllabus for 4th grader. Hence the given solution is wrong.

Ans 33:

Class : Class 6
the solution is taking negative numbers which we dont know

Ans 34:

Class : Class 5
the correct answer is B

Ans 35: (Master Answer)

Class : Class 1

Ans 36:

Class : Class 5
ans should be B please correct it sof

Ans 37:

Class : Class 7
How can a multiple of a no be smaller than the no itself..? Factor can be smaller, not the multiple

Ans 38:

Class : Class 5
It cannot happenThe multiple of a number is always bigger or equal never smaller

Ans 39:

Class : Class 9

Ans 40:

Class : Class 6
If we sometimes multiply the no. with fraction we can get the multiple smaller than the number. Eg-2 *1/2=1

Ans 41:

Class : Class 8
The correct answer is B. sof olympiad trainer is wrong.

Ans 42:

Class : Class 7
The correct answer is B not A, a multiple is NEVER smaller than the number

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
it is 2cube

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
B is the answer because there is a property of triangle that the sum of two angle is greater than the third angle.

Ans 2:

Class : Class 8
option b......

Ans 3:

Class : Class 7
both p and q are true

Ans 4:

Class : Class 10
(b) p is true and q is false

Ans 5:

Class : Class 7
B) because it is the property of a triangle that the sum of antwo sides of a triangle will always be greater than the third side.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9
finetly many

Ans 2:

Class : Class 9
Ans. 1

Ans 3:

Class : Class 9
Finitely many

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
The answer is B. As the sequence is going 12,13,14 and 6,8,10 and 15,12,9

Ans 2:

Class : Class 4
sooo confusing

Ans 3:

Class : Class 6
Please help me with this question !!!!!

Ans 4:

Class : Class 8
The sum of numbers in each circle is 33

Ans 5:

Class : Class 4

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5

Ans 8:

Class : Class 1

Ans 9: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 10:

Class : Class 3
The number 10 and question mark ? should be interchanged.

Ans 11:

Class : Class 5
The question itself is wrong.

Ans 12:

Class : Class 4
Anirudh Bhattacharjee answered correctly.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
I THINK ANS IS C

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