International Maths Olympiad Forum By SOF Olympiad Trainer - Page 732

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
I AGREE WITH YOU GUYS

Ans 2:

Class : Class 5

Ans 3:

Class : Class 10
incomplete q

Ans 4:

Class : Class 10

Ans 5:

Class : Class 8
SOF you are the worst olympiad trainer

Ans 6:

Class : Class 8

Ans 7:

Class : Class 8
incomplete question, no solution

Ans 8:

Class : Class 7
incomplete question

Ans 9:

Class : Class 6
incomplete

Ans 10:

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

Ans 11:

Class : Class 7
SOF IS THE WORST

Ans 12:

Class : Class 9
Incomplete Question.

Ans 13:

Class : Class 8
incomplete question with no solution

Ans 14:

Class : Class 6

Ans 15:

Class : Class 8

Ans 16:

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

Ans 17:

Class : Class 7

Ans 18:

Class : Class 7

Ans 19:

Class : Class 6
Incomplete question.

Ans 20:

Class : Class 5
Incomplete que

Ans 21:

Class : Class 10
question is completed in pdf

Ans 22:

Class : Class 10

Ans 23:

Class : Class 8
I am speechless

Ans 24:

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

Ans 25:

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

Ans 26:

Class : Class 9

Ans 27:

Class : Class 10
Incomplete question

Ans 28:

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

Ans 29:

Class : Class 6
incompete question

Ans 30:

Class : Class 4
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

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Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 8
C

Ans 3:

Class : Class 7
Answer should be C

Ans 4:

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 5:

Class : Class 7

Ans 6:

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 7:

Class : Class 6
Ans c only makes sense

Ans 8:

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 9:

Class : Class 7
Remember LEFT TO RIGHT

Ans 10:

Class : Class 5
correct ans. should be C

Ans 11:

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

Ans 12:

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

Ans 13:

Class : Class 8
c

Ans 14:

Class : Class 6
Ans is C, the most sigma

Ans 15:

Class : Class 9
Its C

Ans 16:

Class : Class 8
c

Ans 17:

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

Ans 18:

Class : Class 10

Ans 19:

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 20:

Class : Class 7
ans should be C

Ans 21:

Class : Class 6
The and should be C

Ans 22:

Class : Class 8
correct ans. should be C

Ans 23:

Class : Class 6
Ans should be (c)

Ans 24:

Class : Class 8
answer should be c not b

Ans 25:

Class : Class 10
c

Ans 26:

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 27:

Class : Class 6
The CORRECT answer is CCCCCCCCCCC mr SOF

Ans 28:

Class : Class 10

Ans 29:

Class : Class 8

Ans 30:

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

Ans 31:

Class : Class 10
answer should be c

Ans 32:

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 33:

Class : Class 10
The answer is (c)

Ans 34:

Class : Class 6
the answer should be option C

Ans 35:

Class : Class 9
THE ANSWER IS - B

Ans 36:

Class : Class 8
ans should be cccc.

Ans 37:

Class : Class 10

Ans 38:

Class : Class 8
look at solution please

Ans 39:

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

Ans 40:

Class : Class 10

Ans 41:

Class : Class 6
Ans is (c).

Ans 42:

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 43:

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 44:

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 45:

Class : Class 7
Answer should be C

Ans 46:

Class : Class 7
ans should be c

Ans 47:

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

Ans 48:

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 49:

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 50:

Class : Class 7

Ans 51:

Class : Class 9
and should be c

Ans 52:

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

Ans 53:

Class : Class 6
c

Ans 54:

Class : Class 7
Cccc!

Ans 55:

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)

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 2
C

Ans 2:

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

Ans 3:

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 4:

Class : Class 3
Ya B

Ans 5:

Class : Class 9
thank you

Ans 6:

Class : Class 5

Ans 7:

Class : Class 4
B

Ans 8:

Class : Class 4
b

Ans 9:

Class : Class 5
b

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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 4
Ok

Ans 2:

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.

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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 5
Why III is false?

Ans 3:

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

Ans 4:

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

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