International Maths Olympiad Forum By SOF Olympiad Trainer - Page 448

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 7
a

Ans 2:

Class : Class 3
C

Ans 3:

Class : Class 5
correct answer is a

Ans 4:

Class : Class 9
A

Ans 5:

Class : Class 3

Ans 6:

Class : Class 3
c

Ans 7:

Class : Class 5
c

Ans 8:

Class : Class 7
A

Ans 9:

Class : Class 4

Ans 10:

Class : Class 7
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 11:

Class : Class 3
c

Ans 12:

Class : Class 3

Ans 13:

Class : Class 4
C

Ans 14:

Class : Class 3
C is the correct answer

Ans 15:

Class : Class 7
The answer is a because it is 60 and not c. C is 59.

Ans 16:

Class : Class 3

Ans 17:

Class : Class 3
The picture is so unclear. Question is not fair. I marked A (60) because the question showed the temperature as between 78 and 79.

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 7
answer is 4

Ans 3:

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

Ans 4:

Class : Class 9
The correct answer is 4

Ans 5:

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

Ans 6:

Class : Class 4
answer is 4

Ans 7:

Class : Class 9

Ans 8:

Class : Class 7

Ans 9:

Class : Class 3
But its answer is 4

Ans 10:

Class : Class 3
correct answer is 4

Ans 11:

Class : Class 7
4 is correct answer

Ans 12:

Class : Class 7
Ans is 4

Ans 13:

Class : Class 8
yes answer is 4 from Mokshada sikachi

Ans 14:

Class : Class 8
CORRECT Answer is 4

Ans 15:

Class : Class 3
answer is 4

Ans 16:

Class : Class 6
correct answer is 4

Ans 17:

Class : Class 3
Geet modi is a genius

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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 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
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 4:

Class : Class 9
4

Ans 5:

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

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

Ans 8:

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 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 7.

Ans 11:

Class : Class 9

Ans 12:

Class : Class 8
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 13:

Class : Class 8
ans is 7

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 4
10000

Ans 3:

Class : Class 8
The answer is D .

Ans 4:

Class : Class 6
man the answer is 10 lackhs

Ans 5:

Class : Class 5
trick question

Ans 6:

Class : Class 2
100 tens = 1 thousand

Ans 7:

Class : Class 3

Ans 8:

Class : Class 7

Ans 9:

Class : Class 4
The answer is (A) because it has said the minor 5-digit no.

Ans 10:

Class : Class 8
BIR you have written ten thousand instead of one thousand !!!

Ans 11:

Class : Class 4
The answer is D

Ans 12:

Class : Class 5
the answer is c

Ans 13:

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

Ans 14:

Class : Class 7
The answer is D- 1 thousand

Ans 15:

Class : Class 7

Ans 16:

Class : Class 5
dfd

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
its more than easy D

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