International Maths Olympiad Forum By SOF Olympiad Trainer - Page 767

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
incompete question

Ans 2:

Class : Class 7
I AGREE WITH YOU GUYS

Ans 3:

Class :
incomplete question .can not find the answer

Ans 4:

Class : Class 5
Incomplete question

Ans 5:

Class :
incomplete question, no solution

Ans 6:

Class : Class 6
Incomplete question.

Ans 7:

Class :
Incomplete Question.

Ans 8:

Class : Class 4
incomplete question

Ans 9:

Class : Class 10

Ans 10:

Class : Class 9
This is an incomelete question!!!!!!!!!!!!

Ans 11:

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

Ans 12:

Class : Class 8
SOF you are the worst olympiad trainer

Ans 13:

Class : Class 5

Ans 14:

Class : Class 8

Ans 15:

Class : Class 8
I am speechless

Ans 16:

Class : Class 10
question is completed in pdf

Ans 17:

Class : Class 8
incomplete question with no solution

Ans 18:

Class : Class 7
SOF IS THE WORST

Ans 19:

Class : Class 10

Ans 20:

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

Ans 21:

Class : Class 7

Ans 22:

Class : Class 8

Ans 23:

Class :

Ans 24:

Class : Class 7

Ans 25:

Class : Class 6
incomplete

Ans 26:

Class : Class 10
incomplete q

Ans 27:

Class : Class 5
Incomplete que

Ans 28:

Class : Class 9

Ans 29:

Class : Class 7
incomplete question

Ans 30:

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

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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

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Subject :IMO    Class : Class 6

Ans 1:

Class :
correct ans. should be C

Ans 2:

Class :
Ans c only makes sense

Ans 3:

Class : Class 6
Ans should be (c)

Ans 4:

Class : Class 10

Ans 5:

Class : Class 9
look at solution please

Ans 6:

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 7:

Class : Class 7

Ans 8:

Class : Class 9
c

Ans 9:

Class : Class 6
c

Ans 10:

Class : Class 7
Cccc!

Ans 11:

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 12:

Class : Class 9
THE ANSWER IS - B

Ans 13:

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

Ans 14:

Class :
The and should be C

Ans 15:

Class : Class 6
the answer should be option C

Ans 16:

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

Ans 17:

Class : Class 10

Ans 18:

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

Ans 19:

Class : Class 8

Ans 20:

Class : Class 8

Ans 21:

Class : Class 9
Its C

Ans 22:

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

Ans 23:

Class : Class 6
Ans is (c).

Ans 24:

Class : Class 8
answer should be c not b

Ans 25:

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 26:

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

Ans 27:

Class : Class 10
c

Ans 28:

Class : Class 7
Remember LEFT TO RIGHT

Ans 29:

Class : Class 9
decreasing by 1/10 is not possible . the answer should be (c)

Ans 30:

Class : Class 7
ans should be C

Ans 31:

Class : Class 7
Answer should be C

Ans 32:

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 33:

Class : Class 10
answer should be c

Ans 34:

Class : Class 10
The answer is (c)

Ans 35:

Class : Class 8
correct ans. should be C

Ans 36:

Class : Class 9
c

Ans 37:

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 38:

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

Ans 39:

Class : Class 7
ans should be c

Ans 40:

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

Ans 41:

Class : Class 7
Answer should be C

Ans 42:

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 43:

Class : Class 6
The CORRECT answer is CCCCCCCCCCC mr SOF

Ans 44:

Class : Class 5
C

Ans 45:

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 46:

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 47:

Class : Class 9
and should be c

Ans 48:

Class : Class 10

Ans 49:

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 50:

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

Ans 51:

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 52:

Class : Class 6
Ans is C, the most sigma

Ans 53:

Class : Class 9
ans should be cccc.

Ans 54:

Class : Class 10

Ans 55:

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..

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 9
thank you

Ans 3:

Class : Class 3
Ya B

Ans 4:

Class : Class 5
b

Ans 5:

Class : Class 4
b

Ans 6:

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

Ans 7:

Class :
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 8:

Class : Class 5
B

Ans 9:

Class : Class 2
C

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Subject :IMO    Class : Class 5

Ans 1:

Class :

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 4

Ans 1:

Class :
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 :
Ok

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2: (Master Answer)

Class :
The correct answer is A.

Ans 3:

Class : Class 5
Why III is false?

Ans 4:

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

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