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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 3

Ans 2:

Class : Class 10
ANS = D

Ans 3:

Class : Class 8
D

Ans 4:

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

Ans 5:

Class : Class 8
Check the solution

Ans 6:

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

Ans 7:

Class : Class 9
It should be both D and B

Ans 8:

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 9:

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 10:

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

Ans 11:

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

Ans 12:

Class : Class 9
Ans is surely D as rectangle

Ans 13:

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

Ans 14:

Class : Class 6
Answer is d

Ans 15:

Class : Class 6
Answer is d

Ans 16:

Class : Class 6

Ans 17:

Class : Class 7
B

Ans 18:

Class : Class 7

Ans 19:

Class : Class 8
Answer can be B and D both

Ans 20:

Class : Class 6
Ans. should be D

Ans 21:

Class : Class 6
the answer is D.

Ans 22:

Class : Class 7
Answer is d.

Ans 23:

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

Ans 24:

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

Ans 25:

Class : Class 3
Ans=B

Ans 26:

Class : Class 8
The ans is surely B

Ans 27:

Class : Class 10

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