International Maths Olympiad Forum By SOF Olympiad Trainer - Page 691

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10
incomplete q

Ans 3:

Class : Class 8
incomplete question with no solution

Ans 4:

Class : Class 6
incomplete

Ans 5:

Class : Class 6
This is an incomelete question!!!!!!!!!!!!

Ans 6:

Class : Class 9
Incomplete Question.

Ans 7:

Class : Class 8
Incomplete question .this had never happened before:(

Ans 8:

Class : Class 8

Ans 9:

Class : Class 7
SOF IS THE WORST

Ans 10:

Class : Class 10
question is completed in pdf

Ans 11:

Class : Class 10
Incomplete question

Ans 12:

Class : Class 10

Ans 13:

Class : Class 6
Incomplete question.

Ans 14:

Class : Class 8
I am speechless

Ans 15:

Class : Class 6

Ans 16:

Class : Class 7

Ans 17:

Class : Class 8
SOF you are the worst olympiad trainer

Ans 18:

Class : Class 4
incomplete question

Ans 19:

Class : Class 5

Ans 20:

Class : Class 8
Wrong question. I expected more accurate question.

Ans 21:

Class : Class 6
this question is wrong because you have only given the cost of the first hour

Ans 22:

Class : Class 5
Incomplete que

Ans 23:

Class : Class 9

Ans 24:

Class : Class 8
incomplete question, no solution

Ans 25:

Class : Class 6
incompete question

Ans 26:

Class : Class 7

Ans 27:

Class : Class 5
incomplete question .can not find the answer

Ans 28:

Class : Class 8

Ans 29:

Class : Class 7
I AGREE WITH YOU GUYS

Ans 30:

Class : Class 7
incomplete question

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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 6

Post Your Answer

Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9
I think answer is B.....as we have to divide the digit by number 10 each time we move from left to right .....and so its value decreases eg 500 is divided by 10 (500*1/10 = 50) to make its place value from hundred to tens

Ans 2:

Class : Class 5
correct ans. should be C

Ans 3:

Class : Class 6
The and should be C

Ans 4:

Class : Class 9
As he is saying times, it should be 10 and not 1/10. So, answer should be C

Ans 5:

Class : Class 10
answer should be c

Ans 6:

Class : Class 8

Ans 7:

Class : Class 6
The CORRECT answer is CCCCCCCCCCC mr SOF

Ans 8:

Class : Class 7
answer should be Cas 100 /10 is 10

Ans 9:

Class : Class 10

Ans 10:

Class : Class 10
answer is bwhen we move from left to rightexample-1000 to 100how do you get 100 by dividing it by 10 right?i.e 1000/10 = 100answer = 1/10

Ans 11:

Class : Class 7

Ans 12:

Class : Class 6
Ans c only makes sense

Ans 13:

Class : Class 9
The answer is B cause they are saying step by step from LEFT to RIGHT that means it is increasing but as they have said decreasing the answer is B . eg- 10 increases by 10 when it goes from tens to hundred. So it decreases by this formula - 10 divided by 1/10 ( dividing a whole number by a fraction = whole number X the reciprocal of the fraction) = 10x10 = 100

Ans 14:

Class : Class 6
The correct answer is C as 100/10 is 10, 1000/100 is also 10.

Ans 15:

Class : Class 8
correct ans. should be C

Ans 16:

Class : Class 7
ans should be c

Ans 17:

Class : Class 7
Cccc!

Ans 18:

Class : Class 8
look at solution please

Ans 19:

Class : Class 9
THE ANSWER SHOULD BE (B) PLEASE VERIFY SOF!!!!

Ans 20:

Class : Class 6
Ans is (c).

Ans 21:

Class : Class 7

Ans 22:

Class : Class 8
c is right because we have to multiply cause we are given times.. 1000x___= 100... so we get 1000/10= 10 so c is right

Ans 23:

Class : Class 10
c

Ans 24:

Class : Class 9
in synopsis its given that the place value decreases by 10

Ans 25:

Class : Class 6
c

Ans 26:

Class : Class 6
Ans should be (c)

Ans 27:

Class : Class 8
C

Ans 28:

Class : Class 7
ans should be cccc.

Ans 29:

Class : Class 10

Ans 30:

Class : Class 6
My explaination is when we decrease a number by 1/10 times example 100 / 1/10 = 1000 so it increases by 10. If in place of decrease it was increase then b would be the answer but actual answer is c.

Ans 31:

Class : Class 9
Its C

Ans 32:

Class : Class 9
THE ANSWER IS - B

Ans 33:

Class : Class 6
how can it decrease by 1/10. it changes by 1/10 and decreases by 10 times answer should be C

Ans 34:

Class : Class 8
ans. should be [C].

Ans 35:

Class : Class 7
decreasing by 1/10 is not possible . the answer should be (c)

Ans 36:

Class : Class 8
The correct answer is (C) because the question asks you by how many times it is DECREASING from LEFT TO RIGHT . If it said increasing, then the answer would be (B)

Ans 37:

Class : Class 8
Decreases means division and increases means multiplication.Over here it says decreases and therefore it is division.For example let us take 100.(B) 100/ 1/10 = 100 * 10 = 1000(C)100/10 = 10Therefore,C is correct as 1 moves from left to right.

Ans 38:

Class : Class 10

Ans 39:

Class : Class 6
the correct answer is [B] because if we take a no. as 10.ok.then i am doing like example see- 10X1/10 so it is =1 so it decreased

Ans 40:

Class : Class 8
answer should be c not b

Ans 41:

Class : Class 8
it should be B as it is decreased by not increased if it was increased than it was 10

Ans 42:

Class : Class 10

Ans 43:

Class : Class 10
The answer is (c)

Ans 44:

Class : Class 8
c

Ans 45:

Class : Class 6
The answer is c. It decreases by 1 by 10 when it goes from right to left, not from left to right.

Ans 46:

Class : Class 6
answer should be C because it already says the word divide and if we write ans as B then it will become ( eg. 100/1/10 = 1000) hence it should be ( eg. 100/10 = 10) . PLS CORRECT IT SOF !!!!!

Ans 47:

Class : Class 7
ans should be C

Ans 48:

Class : Class 7
c

Ans 49:

Class : Class 6
the answer should be option C

Ans 50:

Class : Class 7
Answer should be C

Ans 51:

Class : Class 7
the answer is C.. B is the wrong answer . if we have to move the digits from left to right we should multiply and not divide.. please clarify SOF..

Ans 52:

Class : Class 7
Answer should be C

Ans 53:

Class : Class 6
Ans is C, the most sigma

Ans 54:

Class : Class 9
and should be c

Ans 55:

Class : Class 7
Remember LEFT TO RIGHT

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 2
C

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 7
hey , it is 90 tenths cause tenths means at the tenths place only . But if if there is another no. like 90 tenths we should multiply . But if you choose hundredth tenths it it will become in thousands value.

Ans 5:

Class : Class 9
The answer is B but if anyone has doubt , please call 9243729047 . I will explain it briefly to you .

Ans 6:

Class : Class 5
b

Ans 7:

Class : Class 4
b

Ans 8:

Class : Class 3
Ya B

Ans 9:

Class : Class 9
thank you

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
If the movie is for 2 hours it can be shown 6 times between 12 noon and 12 midnight which is 12 hours. 12/2=6. The answer is B.

Ans 2:

Class : Class 4
Ok

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 2:

Class : Class 4
Why III is false?

Ans 3:

Class : Class 8
AAA is not a property, hence 3rd statement is false.

Ans 4:

Class : Class 9
III is false because AAA is no property

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