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Subject :IMO    Class : Class 6

By using dot (ยท) patterns, which of the following numbers can be arranged in all the three ways namely a line, a triangle and a rectangle?

A 9
B 10
C 11
D 12


Clarify the question

Ans 1:

Class : Class 10
ANS = D

Ans 2:

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

Ans 3:

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

Ans 4:

Class : Class 8
The ans is surely B

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 6
the answer is D.

Ans 8:

Class : Class 6
Answer is d

Ans 9:

Class : Class 8
D

Ans 10:

Class : Class 10

Ans 11:

Class : Class 6
Ans. should be D

Ans 12:

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 13:

Class : Class 7
answer is d not b. you can make a rectangle and a line and a triangle with 12 dots

Ans 14:

Class : Class 9
Ans is surely D as rectangle

Ans 15:

Class : Class 3
Ans=B

Ans 16:

Class : Class 8
Check the solution

Ans 17:

Class : Class 7
B

Ans 18:

Class : Class 6

Ans 19:

Class : Class 8
Answer can be B and D both

Ans 20:

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 21:

Class : Class 6
Answer is d

Ans 22:

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

Ans 23:

Class : Class 7

Ans 24:

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

Ans 25:

Class : Class 7
Answer is d.

Ans 26:

Class : Class 3

Ans 27:

Class : Class 9
It should be both D and B

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