International Maths Olympiad Forum By SOF Olympiad Trainer - Page 553

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
30

Ans 2:

Class : Class 3
30

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
hey raghav

Ans 2:

Class : Class 5
14 is the answer

Ans 3:

Class : Class 3
15

Ans 4:

Class : Class 3
It should be 14. Not 15. As the numbers would be-2,12,20,21,22,23,24,25,26,27,28,29,32,42.

Ans 5:

Class : Class 5

Ans 6:

Class : Class 7
14

Ans 7:

Class : Class 8
14

Ans 8:

Class : Class 3
j,bhkn,.j.jk,jj.kjmjkjkjkjk

Ans 9:

Class : Class 6
It should be 15 because numbers are2,12,20,21,22,23,24,25,26,27,28,29,32,42.

Ans 10:

Class : Class 4
should be 14

Ans 11:

Class : Class 3
it has to be 15, 2 is repeated in 22

Ans 12:

Class : Class 4
The correct answer is 15,as 22 contains 2 times 2

Ans 13:

Class : Class 8
The answer is b,14 because between 1 to10 1 time, 11 to 20 2 times, 21 to 30 9 times , 30 to 40 1 time, 41 to 50 1 time. Now if we add all of them we get 14. So the answer is 14.

Ans 14:

Class : Class 3
its 15!

Ans 15:

Class : Class 4
14

Ans 16:

Class : Class 5
the answer should 14 because as the numbers would be -2 12 21 22 23 24 25 26 27 28 32 42 -14 0nly because it cannot go after 50

Ans 17:

Class : Class 3
I am also getting 14 but I did wrong😠😠😠👹👹👹👹👹

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
C is the correct answer

Ans 2:

Class : Class 5
correct answer is a

Ans 3:

Class : Class 4
THE IMAGE SHOWS THE TEMPERATURE AS 78.5 .. THE IMAGE IS NOT CLEAR.. QUESTION IS IN C NOT F.. ANSWER GIVEN IN SOLUTION IS IN F.. OPTIONS ARE ALSO MISTAKEN

Ans 4:

Class : Class 8
The answer is a as a is 60 and not c. C is 59 so it cannot be the answer. Please change the answer which you have written in correct answer.

Ans 5:

Class : Class 3
The question was so unclear.

Ans 6:

Class : Class 3
c

Ans 7:

Class : Class 5

Ans 8:

Class : Class 4
C

Ans 9:

Class : Class 9
A

Ans 10:

Class : Class 4
The picture is so unclear. Question is not fair. I marked A (60) because the question showed the temperature as between 78 and 79.

Ans 11:

Class : Class 3
C

Ans 12:

Class : Class 8
A

Ans 13:

Class : Class 4

Ans 14:

Class : Class 8
a

Ans 15:

Class : Class 3

Ans 16:

Class : Class 5
c

Ans 17:

Class : Class 3
Remove this question. The images are not clear and just confusing!! It doesn't test anything.

Ans 18:

Class : Class 5
c

Ans 19:

Class : Class 8
The answer is a because it is 60 and not c. C is 59.

Ans 20:

Class : Class 4

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 7
Ans is 4

Ans 2:

Class : Class 4

Ans 3:

Class : Class 3
But its answer is 4

Ans 4:

Class : Class 7
4 is correct answer

Ans 5:

Class : Class 3
Answer is 4 because when multiple with 23 by 14 we 322

Ans 6:

Class : Class 4
The correct answer is 4

Ans 7:

Class : Class 3
The answer is 4 but they said the value of Q is dash less than 10.

Ans 8:

Class : Class 8
answer is 4

Ans 9:

Class : Class 7

Ans 10:

Class : Class 3
correct answer is 4

Ans 11:

Class : Class 3
answer is 4

Ans 12:

Class : Class 4
Geet modi is a genius

Ans 13:

Class : Class 5
CORRECT Answer is 4

Ans 14:

Class : Class 6
correct answer is 4

Ans 15:

Class : Class 3

Ans 16:

Class : Class 3
Answer is 4

Ans 17:

Class : Class 4
answer is 4

Ans 18:

Class : Class 3
the answer is six because 10-4

Ans 19:

Class : Class 8
yes answer is 4 from Mokshada sikachi

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
Option B)

Ans 2:

Class : Class 6
Ans is B because 3645279+2153467=5798746. 5798746 will be rounded to its nearest ten thousand, which is 5800000, since 98746 will be rounded to nearest ten thousand, which is 100000, 1 will be carried to the lakhs place, or, you can say that 3645279 and 2153467 will be rounded to the nearest ten thousand, which will be 3650000 and 2150000, respectively. 3650000+2150000=5800000.

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 5
ans is 7

Ans 2:

Class : Class 8
The answer should be option (A) = 4. There are 4 prime factors, i.e. 2, 3, 5 and 7. The solution contradicts the question's answer.

Ans 3:

Class : Class 8

Ans 4:

Class : Class 4
isn't the answer "A"

Ans 5:

Class : Class 9
ans is 4. (2,3,5,7)

Ans 6:

Class : Class 6
the solution of the equation is 3*3*5*5*5*2*7 which has seven prime factors

Ans 7:

Class : Class 8
the answer is 7.

Ans 8:

Class : Class 9
4

Ans 9:

Class : Class 8
The answer is 4, not 3

Ans 10:

Class : Class 9

Ans 11:

Class : Class 8
The answer is 3. When you solve the equation you get 3*3*1*1*2*14/1*1*1. Now we see that the prime numbers left are 3,3 and 2. Therefore there are 3 prime numbers.

Ans 12:

Class : Class 8
the answer is 4!!!

Ans 13:

Class : Class 8
Yes .... The answer is 4. ( 2, 3 ,5 and 7)

Ans 14:

Class : Class 8
The answer is 3. When you solve the equation you get 3*3*1*1*2*14/1*1*1. Now we see that the prime numbers left are 3,3 and 2. Therefore there are 3 prime numbers.

Ans 15:

Class : Class 8
The answer is 4. There are 4 prime factors: 2,3,5 and 7

Ans 16:

Class : Class 9
The answer should be (A) 4.There are four factors, i.e. 2,3,5,7. Even the solution says so. Please correct the error.

Ans 17:

Class : Class 7

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 3

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