International Maths Olympiad Forum By SOF Olympiad Trainer - Page 601

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 3

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
Answer is definitely d. How can you make an square with 10

Ans 4:

Class : Class 9
It should be both D and B

Ans 5:

Class : Class 9
Ans is surely D as rectangle

Ans 6:

Class : Class 8
In pascal's triangle, the 1st row is always 1, second row is natural number, 3rd is of numbers which can form triangles, 4th is of numbers which can form rectangles. So the number common in rows 2, 3

Ans 7:

Class : Class 8
D, is the answer but it is showing wrong so you could choose B.

Ans 8:

Class : Class 6
the answer is D.

Ans 9:

Class : Class 10

Ans 10:

Class : Class 3
Ans=B

Ans 11:

Class : Class 9
Answer is definitely D because 12 is divisible by both 4 and 3 so rectangle and triangle both can be made ............ line can be made from all numbers

Ans 12:

Class : Class 6
Ans. should be D

Ans 13:

Class : Class 10
ANS = D

Ans 14:

Class : Class 8
Answer can be B and D both

Ans 15:

Class : Class 5
answer is d not b. you can make a rectangle and a line and a triangle with 12 dots

Ans 16:

Class : Class 6
Answer is d

Ans 17:

Class : Class 6
Ans is D and B also....

Ans 18:

Class : Class 7
Answer is d.

Ans 19:

Class : Class 8
D

Ans 20:

Class : Class 6
Answer is d

Ans 21:

Class : Class 8
The ans is surely B

Ans 22:

Class : Class 8
Check the solution

Ans 23:

Class : Class 8
Answer is D. We can form a triangle and rectangle with 12 dots.

Ans 24:

Class : Class 7
B

Ans 25:

Class : Class 6

Ans 26:

Class : Class 6
There is no mention of what type pattern, we can make line, triangle and rectangle with 12 dots also

Ans 27:

Class : Class 8
answer is D only but it is showing B

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
ANSWER - D

Ans 2:

Class : Class 3
this answer has to be corrected

Ans 3:

Class : Class 7
Their answer is correct.

Ans 4:

Class : Class 7
B is the answer to this

Ans 5:

Class : Class 9

Ans 6:

Class : Class 5
b

Ans 7:

Class : Class 8
Ans. B is incorrect because place value of 6 in 6734581 is 6000000, which is successor of 59999999 and not the predecessor

Ans 8:

Class : Class 3
Ans D is wrong because successor means 1 and predecessor means -1. So, 5 in 7658321 is 50000, which is predecessor of 49999 not the successor

Ans 9:

Class : Class 3
and you all check in the library books or in any other book shop

Ans 10:

Class : Class 8
b

Ans 11:

Class : Class 4
answer is b

Ans 12:

Class : Class 7
Ans is D

Ans 13:

Class : Class 6
B is the answer because the place of value of 6 in the given number is 6000000, which is the successor of 5999999, not the predecessor.

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 10

Ans 2:

Class : Class 8
answer should be B

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
(B) 40

Ans 2:

Class : Class 5
B] 40

Ans 3:

Class : Class 8
yes, it should be 40

Ans 4:

Class : Class 6
B) 40.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
A is the correct option as any number whethr rational,integer,whole,natural or any othe number multiplbly with 0 remains 0 as the answer.

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