International Maths Olympiad Forum By SOF Olympiad Trainer - Page 516

User Forum

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
30

Ans 2:

Class : Class 3
30

Post Your Answer

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
hey raghav

Ans 2:

Class : Class 5

Ans 3:

Class : Class 3
its 15!

Ans 4:

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

Ans 5:

Class : Class 7
14

Ans 6:

Class : Class 5
14 is the answer

Ans 7:

Class : Class 8
14

Ans 8:

Class : Class 3
15

Ans 9:

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

Ans 10:

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 11:

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 12:

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 13:

Class : Class 4
14

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

Class : Class 4
should be 14

Post Your Answer

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 8
a

Ans 3:

Class : Class 4
C

Ans 4:

Class : Class 4

Ans 5:

Class : Class 3

Ans 6:

Class : Class 3
The question was so unclear.

Ans 7:

Class : Class 5
c

Ans 8:

Class : Class 3
C is the correct answer

Ans 9:

Class : Class 3
c

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

Ans 13:

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 14:

Class : Class 9
A

Ans 15:

Class : Class 8
A

Ans 16:

Class : Class 4

Ans 17:

Class : Class 5
correct answer is a

Ans 18:

Class : Class 5
c

Ans 19:

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 20:

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

Post Your Answer

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 8
answer is 4

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
Ans is 4

Ans 4:

Class : Class 4
CORRECT Answer is 4

Ans 5:

Class : Class 4
The correct answer is 4

Ans 6:

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

Ans 7:

Class : Class 3
But its answer is 4

Ans 8:

Class : Class 3
Answer is 4

Ans 9:

Class : Class 4
answer is 4

Ans 10:

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

Ans 11:

Class : Class 8
yes answer is 4 from Mokshada sikachi

Ans 12:

Class : Class 4

Ans 13:

Class : Class 7
4 is correct answer

Ans 14:

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

Ans 15:

Class : Class 3
answer is 4

Ans 16:

Class : Class 6
correct answer is 4

Ans 17:

Class : Class 3
correct answer is 4

Ans 18:

Class : Class 3

Ans 19:

Class : Class 4
Geet modi is a genius

Post Your Answer

Subject :IMO    Class : Class 4

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

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.

Ans 2:

Class : Class 6
Option B)

Post Your Answer

Subject :IMO    Class : Class 8

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
the answer is 7.

Ans 3:

Class : Class 9
4

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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 8:

Class : Class 9

Ans 9:

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

Ans 10:

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 11:

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 12:

Class : Class 4
ans is 7

Ans 13:

Class : Class 8
the answer is 4!!!

Ans 14:

Class : Class 8

Ans 15:

Class : Class 8
The answer is 4, not 3

Ans 16:

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

Ans 17:

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.

Post Your Answer

Subject :IMO    Class : Class 3

Post Your Answer

Subject :IMO    Class : Class 3

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
The answer is D

Ans 2:

Class : Class 6

Ans 3:

Class : Class 4
10000

Ans 4:

Class : Class 8

Ans 5:

Class : Class 6
trick question

Ans 6:

Class : Class 5
dfd

Ans 7:

Class : Class 9
The answer is D .

Ans 8:

Class : Class 8
man the answer is 10 lackhs

Ans 9:

Class : Class 5
The answer is (A) because it has said the minor 5-digit no.

Ans 10:

Class : Class 5
the answer is c

Ans 11:

Class : Class 2
100 tens = 1 thousand

Ans 12:

Class : Class 9
BIR you have written ten thousand instead of one thousand !!!

Ans 13:

Class : Class 8
The answer is D- 1 thousand

Ans 14:

Class : Class 4
solutions should be in detail and a little easy

Ans 15:

Class : Class 3

Ans 16:

Class : Class 9

Post Your Answer