International Maths Olympiad Forum By SOF Olympiad Trainer - Page 539

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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 8
D

Ans 2:

Class : Class 7
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 3:

Class : Class 9
ANS = D

Ans 4:

Class : Class 8
Ans is surely D as rectangle

Ans 5:

Class : Class 6
Answer is d

Ans 6:

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

Ans 7:

Class : Class 9
D, is the answer but it is showing wrong so you could choose B.

Ans 8:

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

Ans 9:

Class : Class 8
It should be both D and B

Ans 10:

Class : Class 3
Ans=B

Ans 11:

Class : Class 10

Ans 12:

Class : Class 8
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 13:

Class : Class 7

Ans 14:

Class : Class 6
the answer is D.

Ans 15:

Class : Class 6

Ans 16:

Class : Class 6
Ans. should be D

Ans 17:

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

Ans 18:

Class : Class 8
The ans is surely B

Ans 19:

Class : Class 7
Answer is d.

Ans 20:

Class : Class 8
Check the solution

Ans 21:

Class : Class 3

Ans 22:

Class : Class 7
B

Ans 23:

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

Ans 24:

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

Ans 25:

Class : Class 8
Answer can be B and D both

Ans 26:

Class : Class 6
Answer is d

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Subject :IMO    Class : Class 5

Which of the following statements is INCORRECT ?

A The place value of the digit '3' in the number 543765 is 3000.
B The place value of the digit '6' in the number 6734581 is predecessor of 5999999.
C In the number 1876523, the place value of the digit '1' is 1000000.
D The place value of the digit '5' in the number 7658321 is successor of 49999.


All the statements are correct. No correct answer is given in options

Ans 1:

Class : Class 3
this answer has to be corrected

Ans 2:

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 3:

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 4:

Class : Class 8
b

Ans 5:

Class : Class 7
Ans is D

Ans 6:

Class : Class 7
B is the answer to this

Ans 7:

Class : Class 5
ANSWER - D

Ans 8:

Class : Class 8

Ans 9:

Class : Class 7
Their answer is correct.

Ans 10:

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

Ans 11:

Class : Class 4
answer is b

Ans 12:

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 6
B) 40.

Ans 2:

Class : Class 7
(B) 40

Ans 3:

Class : Class 5
B] 40

Ans 4:

Class : Class 8
yes, it should be 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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