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

Ans 2:

Class : Class 7
B

Ans 3:

Class : Class 6
Answer is d

Ans 4:

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

Ans 5:

Class : Class 8
Answer can be B and D both

Ans 6:

Class : Class 3

Ans 7:

Class : Class 9
Ans is surely D as rectangle

Ans 8:

Class : Class 6
Ans. should be D

Ans 9:

Class : Class 10
ANS = D

Ans 10:

Class : Class 7
Answer is d.

Ans 11:

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

Ans 12:

Class : Class 6

Ans 13:

Class : Class 6
the answer is D.

Ans 14:

Class : Class 7

Ans 15:

Class : Class 10

Ans 16:

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 17:

Class : Class 6
Answer is d

Ans 18:

Class : Class 3
Ans=B

Ans 19:

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

Ans 20:

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 21:

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

Ans 22:

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

Ans 23:

Class : Class 8
The ans is surely B

Ans 24:

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

Ans 25:

Class : Class 9
It should be both D and B

Ans 26:

Class : Class 8
Check the solution

Ans 27:

Class : Class 8
D

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